gtk2_ardour/ardour_ui.cc

   1 /*
   2     Copyright (C) 1999-2013 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <algorithm>
  25 #include <cmath>
  26 #include <iostream>
  27 #include <cerrno>
  28 #include <fstream>
  29
  30 #ifndef PLATFORM_WINDOWS
  31 #include <sys/resource.h>
  32 #endif
  33
  34 #include <stdint.h>
  35 #include <fcntl.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38 #include <time.h>
  39
  40 #include <glib.h>
  41 #include <glib/gstdio.h>
  42
  43 #include <gtkmm/messagedialog.h>
  44 #include <gtkmm/accelmap.h>
  45
  46 #include "pbd/error.h"
  47 #include "pbd/basename.h"
  48 #include "pbd/compose.h"
  49 #include "pbd/failed_constructor.h"
  50 #include "pbd/enumwriter.h"
  51 #include "pbd/memento_command.h"
  52 #include "pbd/openuri.h"
  53 #include "pbd/file_utils.h"
  54 #include "pbd/localtime_r.h"
  55 #include "pbd/system_exec.h"
  56
  57 #include "gtkmm2ext/application.h"
  58 #include "gtkmm2ext/bindings.h"
  59 #include "gtkmm2ext/gtk_ui.h"
  60 #include "gtkmm2ext/utils.h"
  61 #include "gtkmm2ext/click_box.h"
  62 #include "gtkmm2ext/fastmeter.h"
  63 #include "gtkmm2ext/popup.h"
  64 #include "gtkmm2ext/window_title.h"
  65
  66 #include "ardour/ardour.h"
  67 #include "ardour/audio_backend.h"
  68 #include "ardour/audioengine.h"
  69 #include "ardour/audiofilesource.h"
  70 #include "ardour/automation_watch.h"
  71 #include "ardour/diskstream.h"
  72 #include "ardour/filename_extensions.h"
  73 #include "ardour/filesystem_paths.h"
  74 #include "ardour/port.h"
  75 #include "ardour/plugin_manager.h"
  76 #include "ardour/process_thread.h"
  77 #include "ardour/profile.h"
  78 #include "ardour/recent_sessions.h"
  79 #include "ardour/session_directory.h"
  80 #include "ardour/session_route.h"
  81 #include "ardour/session_state_utils.h"
  82 #include "ardour/session_utils.h"
  83 #include "ardour/slave.h"
  84
  85 #ifdef WINDOWS_VST_SUPPORT
  86 #include <fst.h>
  87 #endif
  88
  89 #include "timecode/time.h"
  90
  91 typedef uint64_t microseconds_t;
  92
  93 #include "about.h"
  94 #include "actions.h"
  95 #include "add_route_dialog.h"
  96 #include "ambiguous_file_dialog.h"
  97 #include "ardour_ui.h"
  98 #include "audio_clock.h"
  99 #include "big_clock_window.h"
 100 #include "bundle_manager.h"
 101 #include "engine_dialog.h"
 102 #include "gain_meter.h"
 103 #include "global_port_matrix.h"
 104 #include "gui_object.h"
 105 #include "gui_thread.h"
 106 #include "keyboard.h"
 107 #include "keyeditor.h"
 108 #include "location_ui.h"
 109 #include "main_clock.h"
 110 #include "missing_file_dialog.h"
 111 #include "missing_plugin_dialog.h"
 112 #include "mixer_ui.h"
 113 #include "mouse_cursors.h"
 114 #include "nsm.h"
 115 #include "opts.h"
 116 #include "pingback.h"
 117 #include "processor_box.h"
 118 #include "prompter.h"
 119 #include "public_editor.h"
 120 #include "rc_option_editor.h"
 121 #include "route_time_axis.h"
 122 #include "route_params_ui.h"
 123 #include "session_dialog.h"
 124 #include "session_metadata_dialog.h"
 125 #include "session_option_editor.h"
 126 #include "shuttle_control.h"
 127 #include "speaker_dialog.h"
 128 #include "splash.h"
 129 #include "startup.h"
 130 #include "theme_manager.h"
 131 #include "time_axis_view_item.h"
 132 #include "utils.h"
 133 #include "video_server_dialog.h"
 134 #include "add_video_dialog.h"
 135 #include "transcode_video_dialog.h"
 136
 137 #include "i18n.h"
 138
 139 using namespace ARDOUR;
 140 using namespace PBD;
 141 using namespace Gtkmm2ext;
 142 using namespace Gtk;
 143 using namespace std;
 144
 145 ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 146 UIConfiguration *ARDOUR_UI::ui_config = 0;
 147
 148 sigc::signal<void,bool> ARDOUR_UI::Blink;
 149 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 150 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
 151 sigc::signal<void, framepos_t, bool, framepos_t> ARDOUR_UI::Clock;
 152 sigc::signal<void>      ARDOUR_UI::CloseAllDialogs;
 153
 154 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 155
 156         : Gtkmm2ext::UI (PROGRAM_NAME, argcp, argvp)
 157
 158         , gui_object_state (new GUIObjectState)
 159
 160         , primary_clock (new MainClock (X_("primary"), false, X_("transport"), true, true, true, false, true))
 161         , secondary_clock (new MainClock (X_("secondary"), false, X_("secondary"), true, true, false, false, true))
 162
 163           /* big clock */
 164
 165         , big_clock (new AudioClock (X_("bigclock"), false, "big", true, true, false, false))
 166         , video_timeline(0)
 167
 168           /* start of private members */
 169
 170         , nsm (0)
 171         , _was_dirty (false)
 172         , _mixer_on_top (false)
 173         , first_time_engine_run (true)
 174         , blink_timeout_tag (-1)
 175
 176           /* transport */
 177
 178         , roll_controllable (new TransportControllable ("transport roll", *this, TransportControllable::Roll))
 179         , stop_controllable (new TransportControllable ("transport stop", *this, TransportControllable::Stop))
 180         , goto_start_controllable (new TransportControllable ("transport goto start", *this, TransportControllable::GotoStart))
 181         , goto_end_controllable (new TransportControllable ("transport goto end", *this, TransportControllable::GotoEnd))
 182         , auto_loop_controllable (new TransportControllable ("transport auto loop", *this, TransportControllable::AutoLoop))
 183         , play_selection_controllable (new TransportControllable ("transport play selection", *this, TransportControllable::PlaySelection))
 184         , rec_controllable (new TransportControllable ("transport rec-enable", *this, TransportControllable::RecordEnable))
 185
 186         , auto_return_button (ArdourButton::led_default_elements)
 187         , follow_edits_button (ArdourButton::led_default_elements)
 188         , auto_input_button (ArdourButton::led_default_elements)
 189
 190         , auditioning_alert_button (_("audition"))
 191         , solo_alert_button (_("solo"))
 192         , feedback_alert_button (_("feedback"))
 193
 194         , editor_meter(0)
 195         , editor_meter_peak_display()
 196
 197         , speaker_config_window (X_("speaker-config"), _("Speaker Configuration"))
 198         , theme_manager (X_("theme-manager"), _("Theme Manager"))
 199         , key_editor (X_("key-editor"), _("Key Bindings"))
 200         , rc_option_editor (X_("rc-options-editor"), _("Preferences"))
 201         , add_route_dialog (X_("add-routes"), _("Add Tracks/Busses"))
 202         , about (X_("about"), _("About"))
 203         , location_ui (X_("locations"), _("Locations"))
 204         , route_params (X_("inspector"), _("Tracks and Busses"))
 205         , audio_midi_setup (X_("audio-midi-setup"), _("Audio/MIDI Setup"))
 206         , session_option_editor (X_("session-options-editor"), _("Properties"), boost::bind (&ARDOUR_UI::create_session_option_editor, this))
 207         , add_video_dialog (X_("add-video"), _("Add Tracks/Busses"), boost::bind (&ARDOUR_UI::create_add_video_dialog, this))
 208         , bundle_manager (X_("bundle-manager"), _("Bundle Manager"), boost::bind (&ARDOUR_UI::create_bundle_manager, this))
 209         , big_clock_window (X_("big-clock"), _("Big Clock"), boost::bind (&ARDOUR_UI::create_big_clock_window, this))
 210         , audio_port_matrix (X_("audio-connection-manager"), _("Audio Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::AUDIO))
 211         , midi_port_matrix (X_("midi-connection-manager"), _("MIDI Connections"), boost::bind (&ARDOUR_UI::create_global_port_matrix, this, ARDOUR::DataType::MIDI))
 212
 213         , error_log_button (_("Errors"))
 214
 215         , _status_bar_visibility (X_("status-bar"))
 216         , _feedback_exists (false)
 217 {
 218         Gtkmm2ext::init(localedir);
 219
 220         splash = 0;
 221
 222         if (theArdourUI == 0) {
 223                 theArdourUI = this;
 224         }
 225
 226         ui_config = new UIConfiguration();
 227
 228         ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
 229         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 230         ui_config->map_parameters (pc);
 231
 232         editor = 0;
 233         mixer = 0;
 234         meterbridge = 0;
 235         editor = 0;
 236         _session_is_new = false;
 237         session_selector_window = 0;
 238         last_key_press_time = 0;
 239         video_server_process = 0;
 240         open_session_selector = 0;
 241         have_configure_timeout = false;
 242         have_disk_speed_dialog_displayed = false;
 243         session_loaded = false;
 244         ignore_dual_punch = false;
 245
 246         roll_button.set_controllable (roll_controllable);
 247         stop_button.set_controllable (stop_controllable);
 248         goto_start_button.set_controllable (goto_start_controllable);
 249         goto_end_button.set_controllable (goto_end_controllable);
 250         auto_loop_button.set_controllable (auto_loop_controllable);
 251         play_selection_button.set_controllable (play_selection_controllable);
 252         rec_button.set_controllable (rec_controllable);
 253
 254         roll_button.set_name ("transport button");
 255         stop_button.set_name ("transport button");
 256         goto_start_button.set_name ("transport button");
 257         goto_end_button.set_name ("transport button");
 258         auto_loop_button.set_name ("transport button");
 259         play_selection_button.set_name ("transport button");
 260         rec_button.set_name ("transport recenable button");
 261         midi_panic_button.set_name ("transport button");
 262
 263         goto_start_button.set_tweaks (ArdourButton::ShowClick);
 264         goto_end_button.set_tweaks (ArdourButton::ShowClick);
 265         midi_panic_button.set_tweaks (ArdourButton::ShowClick);
 266
 267         last_configure_time= 0;
 268         last_peak_grab = 0;
 269
 270         ARDOUR::Diskstream::DiskOverrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_overrun_handler, this), gui_context());
 271         ARDOUR::Diskstream::DiskUnderrun.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::disk_underrun_handler, this), gui_context());
 272
 273         ARDOUR::Session::VersionMismatch.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_format_mismatch, this, _1, _2), gui_context());
 274
 275         /* handle dialog requests */
 276
 277         ARDOUR::Session::Dialog.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::session_dialog, this, _1), gui_context());
 278
 279         /* handle pending state with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 280
 281         ARDOUR::Session::AskAboutPendingState.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::pending_state_dialog, this));
 282
 283         /* handle Audio/MIDI setup when session requires it */
 284
 285         ARDOUR::Session::AudioEngineSetupRequired.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::do_audio_midi_setup, this, _1));
 286
 287         /* handle sr mismatch with a dialog (PROBLEM: needs to return a value and thus cannot be x-thread) */
 288
 289         ARDOUR::Session::AskAboutSampleRateMismatch.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::sr_mismatch_dialog, this, _1, _2));
 290
 291         /* handle requests to quit (coming from JACK session) */
 292
 293         ARDOUR::Session::Quit.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::finish, this), gui_context ());
 294
 295         /* tell the user about feedback */
 296
 297         ARDOUR::Session::FeedbackDetected.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::feedback_detected, this), gui_context ());
 298         ARDOUR::Session::SuccessfulGraphSort.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::successful_graph_sort, this), gui_context ());
 299
 300         /* handle requests to deal with missing files */
 301
 302         ARDOUR::Session::MissingFile.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::missing_file, this, _1, _2, _3));
 303
 304         /* and ambiguous files */
 305
 306         ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
 307
 308         /* also plugin scan messages */
 309         ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2, _3), gui_context());
 310
 311         ARDOUR::GUIIdle.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::gui_idle_handler, this), gui_context());
 312
 313         /* lets get this party started */
 314
 315         setup_gtk_ardour_enums ();
 316         setup_profile ();
 317
 318         SessionEvent::create_per_thread_pool ("GUI", 512);
 319
 320         /* we like keyboards */
 321
 322         keyboard = new ArdourKeyboard(*this);
 323
 324         XMLNode* node = ARDOUR_UI::instance()->keyboard_settings();
 325         if (node) {
 326                 keyboard->set_state (*node, Stateful::loading_state_version);
 327         }
 328
 329         /* we don't like certain modifiers */
 330         Bindings::set_ignored_state (GDK_LOCK_MASK|GDK_MOD2_MASK|GDK_MOD3_MASK);
 331
 332         reset_dpi();
 333
 334         TimeAxisViewItem::set_constant_heights ();
 335
 336         /* Set this up so that our window proxies can register actions */
 337
 338         ActionManager::init ();
 339
 340         /* The following must happen after ARDOUR::init() so that Config is set up */
 341
 342         const XMLNode* ui_xml = Config->extra_xml (X_("UI"));
 343
 344         if (ui_xml) {
 345                 theme_manager.set_state (*ui_xml);
 346                 key_editor.set_state (*ui_xml);
 347                 rc_option_editor.set_state (*ui_xml);
 348                 session_option_editor.set_state (*ui_xml);
 349                 speaker_config_window.set_state (*ui_xml);
 350                 about.set_state (*ui_xml);
 351                 add_route_dialog.set_state (*ui_xml);
 352                 add_video_dialog.set_state (*ui_xml);
 353                 route_params.set_state (*ui_xml);
 354                 bundle_manager.set_state (*ui_xml);
 355                 location_ui.set_state (*ui_xml);
 356                 big_clock_window.set_state (*ui_xml);
 357                 audio_port_matrix.set_state (*ui_xml);
 358                 midi_port_matrix.set_state (*ui_xml);
 359         }
 360
 361         WM::Manager::instance().register_window (&theme_manager);
 362         WM::Manager::instance().register_window (&key_editor);
 363         WM::Manager::instance().register_window (&rc_option_editor);
 364         WM::Manager::instance().register_window (&session_option_editor);
 365         WM::Manager::instance().register_window (&speaker_config_window);
 366         WM::Manager::instance().register_window (&about);
 367         WM::Manager::instance().register_window (&add_route_dialog);
 368         WM::Manager::instance().register_window (&add_video_dialog);
 369         WM::Manager::instance().register_window (&route_params);
 370         WM::Manager::instance().register_window (&audio_midi_setup);
 371         WM::Manager::instance().register_window (&bundle_manager);
 372         WM::Manager::instance().register_window (&location_ui);
 373         WM::Manager::instance().register_window (&big_clock_window);
 374         WM::Manager::instance().register_window (&audio_port_matrix);
 375         WM::Manager::instance().register_window (&midi_port_matrix);
 376
 377         /* We need to instantiate the theme manager because it loads our
 378            theme files. This should really change so that its window
 379            and its functionality are separate
 380         */
 381
 382         (void) theme_manager.get (true);
 383
 384         _process_thread = new ProcessThread ();
 385         _process_thread->init ();
 386
 387         DPIReset.connect (sigc::mem_fun (*this, &ARDOUR_UI::resize_text_widgets));
 388
 389         attach_to_engine ();
 390 }
 391
 392 GlobalPortMatrixWindow*
 393 ARDOUR_UI::create_global_port_matrix (ARDOUR::DataType type)
 394 {
 395         if (!_session) {
 396                 return 0;
 397         }
 398         return new GlobalPortMatrixWindow (_session, type);
 399 }
 400
 401 void
 402 ARDOUR_UI::attach_to_engine ()
 403 {
 404         AudioEngine::instance()->Running.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_running, this), gui_context());
 405         ARDOUR::Port::set_connecting_blocked (ARDOUR_COMMAND_LINE::no_connect_ports);
 406 }
 407
 408 void
 409 ARDOUR_UI::engine_stopped ()
 410 {
 411         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
 412         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 413         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 414 }
 415
 416 void
 417 ARDOUR_UI::engine_running ()
 418 {
 419         if (first_time_engine_run) {
 420                 post_engine();
 421                 first_time_engine_run = false;
 422         }
 423
 424         update_disk_space ();
 425         update_cpu_load ();
 426         update_sample_rate (AudioEngine::instance()->sample_rate());
 427         update_timecode_format ();
 428 }
 429
 430 void
 431 ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
 432 {
 433         if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
 434                 /* we can't rely on the original string continuing to exist when we are called
 435                    again in the GUI thread, so make a copy and note that we need to
 436                    free it later.
 437                 */
 438                 char *copy = strdup (reason);
 439                 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
 440                 return;
 441         }
 442
 443         ActionManager::set_sensitive (ActionManager::engine_sensitive_actions, false);
 444         ActionManager::set_sensitive (ActionManager::engine_opposite_sensitive_actions, true);
 445
 446         update_sample_rate (0);
 447
 448         string msgstr;
 449
 450         /* if the reason is a non-empty string, it means that the backend was shutdown
 451            rather than just Ardour.
 452         */
 453
 454         if (strlen (reason)) {
 455                 msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
 456         } else {
 457                 msgstr = string_compose (_("\
 458 The audio backend has either been shutdown or it\n\
 459 disconnected %1 because %1\n\
 460 was not fast enough. Try to restart\n\
 461 the audio backend and save the session."), PROGRAM_NAME);
 462         }
 463
 464         MessageDialog msg (*editor, msgstr);
 465         pop_back_splash (msg);
 466         msg.set_keep_above (true);
 467         msg.run ();
 468
 469         if (free_reason) {
 470                 free (const_cast<char*> (reason));
 471         }
 472 }
 473
 474 void
 475 ARDOUR_UI::post_engine ()
 476 {
 477         /* Things to be done once (and once ONLY) after we have a backend running in the AudioEngine
 478          */
 479
 480         ARDOUR::init_post_engine ();
 481
 482         /* connect to important signals */
 483
 484         AudioEngine::instance()->Stopped.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::engine_stopped, this), gui_context());
 485         AudioEngine::instance()->SampleRateChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::update_sample_rate, this, _1), gui_context());
 486         AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
 487
 488         _tooltips.enable();
 489
 490         ActionManager::load_menus ();
 491
 492         if (setup_windows ()) {
 493                 throw failed_constructor ();
 494         }
 495
 496         /* Do this after setup_windows (), as that's when the _status_bar_visibility is created */
 497         XMLNode* n = Config->extra_xml (X_("UI"));
 498         if (n) {
 499                 _status_bar_visibility.set_state (*n);
 500         }
 501
 502         check_memory_locking();
 503
 504         /* this is the first point at which all the keybindings are available */
 505
 506         if (ARDOUR_COMMAND_LINE::show_key_actions) {
 507                 vector<string> names;
 508                 vector<string> paths;
 509                 vector<string> tooltips;
 510                 vector<string> keys;
 511                 vector<AccelKey> bindings;
 512
 513                 ActionManager::get_all_actions (names, paths, tooltips, keys, bindings);
 514
 515                 vector<string>::iterator n;
 516                 vector<string>::iterator k;
 517                 vector<string>::iterator p;
 518                 for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
 519                         cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
 520                 }
 521
 522                 halt_connection.disconnect ();
 523                 AudioEngine::instance()->stop ();
 524                 exit (0);
 525         }
 526
 527         blink_timeout_tag = -1;
 528
 529         /* this being a GUI and all, we want peakfiles */
 530
 531         AudioFileSource::set_build_peakfiles (true);
 532         AudioFileSource::set_build_missing_peakfiles (true);
 533
 534         /* set default clock modes */
 535
 536         if (Profile->get_sae()) {
 537                 primary_clock->set_mode (AudioClock::BBT);
 538                 secondary_clock->set_mode (AudioClock::MinSec);
 539         }  else {
 540                 primary_clock->set_mode (AudioClock::Timecode);
 541                 secondary_clock->set_mode (AudioClock::BBT);
 542         }
 543
 544         /* start the time-of-day-clock */
 545
 546 #ifndef GTKOSX
 547         /* OS X provides a nearly-always visible wallclock, so don't be stupid */
 548         update_wall_clock ();
 549         Glib::signal_timeout().connect_seconds (sigc::mem_fun(*this, &ARDOUR_UI::update_wall_clock), 1);
 550 #endif
 551
 552         Config->ParameterChanged.connect (forever_connections, MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::parameter_changed, this, _1), gui_context());
 553         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 554         Config->map_parameters (pc);
 555 }
 556
 557 ARDOUR_UI::~ARDOUR_UI ()
 558 {
 559         if (ui_config->dirty()) {
 560                 ui_config->save_state();
 561         }
 562
 563         delete keyboard;
 564         delete editor;
 565         delete mixer;
 566         delete meterbridge;
 567
 568         stop_video_server();
 569 }
 570
 571 void
 572 ARDOUR_UI::pop_back_splash (Gtk::Window& win)
 573 {
 574         if (Splash::instance()) {
 575                 Splash::instance()->pop_back_for (win);
 576         }
 577 }
 578
 579 gint
 580 ARDOUR_UI::configure_timeout ()
 581 {
 582         if (last_configure_time == 0) {
 583                 /* no configure events yet */
 584                 return true;
 585         }
 586
 587         /* force a gap of 0.5 seconds since the last configure event
 588          */
 589
 590         if (get_microseconds() - last_configure_time < 500000) {
 591                 return true;
 592         } else {
 593                 have_configure_timeout = false;
 594                 save_ardour_state ();
 595                 return false;
 596         }
 597 }
 598
 599 gboolean
 600 ARDOUR_UI::configure_handler (GdkEventConfigure* /*conf*/)
 601 {
 602         if (have_configure_timeout) {
 603                 last_configure_time = get_microseconds();
 604         } else {
 605                 Glib::signal_timeout().connect (sigc::mem_fun(*this, &ARDOUR_UI::configure_timeout), 100);
 606                 have_configure_timeout = true;
 607         }
 608
 609         return FALSE;
 610 }
 611
 612 void
 613 ARDOUR_UI::set_transport_controllable_state (const XMLNode& node)
 614 {
 615         const XMLProperty* prop;
 616
 617         if ((prop = node.property ("roll")) != 0) {
 618                 roll_controllable->set_id (prop->value());
 619         }
 620         if ((prop = node.property ("stop")) != 0) {
 621                 stop_controllable->set_id (prop->value());
 622         }
 623         if ((prop = node.property ("goto-start")) != 0) {
 624                 goto_start_controllable->set_id (prop->value());
 625         }
 626         if ((prop = node.property ("goto-end")) != 0) {
 627                 goto_end_controllable->set_id (prop->value());
 628         }
 629         if ((prop = node.property ("auto-loop")) != 0) {
 630                 auto_loop_controllable->set_id (prop->value());
 631         }
 632         if ((prop = node.property ("play-selection")) != 0) {
 633                 play_selection_controllable->set_id (prop->value());
 634         }
 635         if ((prop = node.property ("rec")) != 0) {
 636                 rec_controllable->set_id (prop->value());
 637         }
 638         if ((prop = node.property ("shuttle")) != 0) {
 639                 shuttle_box->controllable()->set_id (prop->value());
 640         }
 641 }
 642
 643 XMLNode&
 644 ARDOUR_UI::get_transport_controllable_state ()
 645 {
 646         XMLNode* node = new XMLNode(X_("TransportControllables"));
 647         char buf[64];
 648
 649         roll_controllable->id().print (buf, sizeof (buf));
 650         node->add_property (X_("roll"), buf);
 651         stop_controllable->id().print (buf, sizeof (buf));
 652         node->add_property (X_("stop"), buf);
 653         goto_start_controllable->id().print (buf, sizeof (buf));
 654         node->add_property (X_("goto_start"), buf);
 655         goto_end_controllable->id().print (buf, sizeof (buf));
 656         node->add_property (X_("goto_end"), buf);
 657         auto_loop_controllable->id().print (buf, sizeof (buf));
 658         node->add_property (X_("auto_loop"), buf);
 659         play_selection_controllable->id().print (buf, sizeof (buf));
 660         node->add_property (X_("play_selection"), buf);
 661         rec_controllable->id().print (buf, sizeof (buf));
 662         node->add_property (X_("rec"), buf);
 663         shuttle_box->controllable()->id().print (buf, sizeof (buf));
 664         node->add_property (X_("shuttle"), buf);
 665
 666         return *node;
 667 }
 668
 669
 670 gint
 671 ARDOUR_UI::autosave_session ()
 672 {
 673         if (g_main_depth() > 1) {
 674                 /* inside a recursive main loop,
 675                    give up because we may not be able to
 676                    take a lock.
 677                 */
 678                 return 1;
 679         }
 680
 681         if (!Config->get_periodic_safety_backups()) {
 682                 return 1;
 683         }
 684
 685         if (_session) {
 686                 _session->maybe_write_autosave();
 687         }
 688
 689         return 1;
 690 }
 691
 692 void
 693 ARDOUR_UI::update_autosave ()
 694 {
 695         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_autosave)
 696
 697         if (_session && _session->dirty()) {
 698                 if (_autosave_connection.connected()) {
 699                         _autosave_connection.disconnect();
 700                 }
 701
 702                 _autosave_connection = Glib::signal_timeout().connect (sigc::mem_fun (*this, &ARDOUR_UI::autosave_session),
 703                                 Config->get_periodic_safety_backup_interval() * 1000);
 704
 705         } else {
 706                 if (_autosave_connection.connected()) {
 707                         _autosave_connection.disconnect();
 708                 }
 709         }
 710 }
 711
 712 void
 713 ARDOUR_UI::check_announcements ()
 714 {
 715 #ifdef PHONE_HOME
 716         string _annc_filename;
 717
 718 #ifdef __APPLE__
 719         _annc_filename = PROGRAM_NAME "_announcements_osx_";
 720 #else
 721         _annc_filename = PROGRAM_NAME "_announcements_linux_";
 722 #endif
 723         _annc_filename.append (VERSIONSTRING);
 724
 725         std::string path = Glib::build_filename (user_config_directory(), _annc_filename);
 726         std::ifstream announce_file (path.c_str());
 727         if ( announce_file.fail() )
 728                 _announce_string = "";
 729         else {
 730                 std::stringstream oss;
 731                 oss << announce_file.rdbuf();
 732                 _announce_string = oss.str();
 733         }
 734
 735         pingback (VERSIONSTRING, path);
 736 #endif
 737 }
 738
 739 int
 740 ARDOUR_UI::starting ()
 741 {
 742         Application* app = Application::instance ();
 743         const char *nsm_url;
 744         bool brand_new_user = ArdourStartup::required ();
 745
 746         app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
 747         app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
 748
 749         if (ARDOUR_COMMAND_LINE::check_announcements) {
 750                 check_announcements ();
 751         }
 752
 753         app->ready ();
 754
 755         /* we need to create this early because it may need to set the
 756          *  audio backend end up.
 757          */
 758
 759         try {
 760                 audio_midi_setup.get (true);
 761         } catch (...) {
 762                 return -1;
 763         }
 764
 765         if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
 766                 nsm = new NSM_Client;
 767                 if (!nsm->init (nsm_url)) {
 768                         nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
 769
 770                         unsigned int i = 0;
 771                         // wait for announce reply from nsm server
 772                         for ( i = 0; i < 5000; ++i) {
 773                                 nsm->check ();
 774
 775                                 Glib::usleep (i);
 776                                 if (nsm->is_active()) {
 777                                         break;
 778                                 }
 779                         }
 780                         if (i == 5000) {
 781                                 error << _("NSM server did not announce itself") << endmsg;
 782                                 return -1;
 783                         }
 784                         // wait for open command from nsm server
 785                         for ( i = 0; i < 5000; ++i) {
 786                                 nsm->check ();
 787                                 Glib::usleep (1000);
 788                                 if (nsm->client_id ()) {
 789                                         break;
 790                                 }
 791                         }
 792
 793                         if (i == 5000) {
 794                                 error << _("NSM: no client ID provided") << endmsg;
 795                                 return -1;
 796                         }
 797
 798                         if (_session && nsm) {
 799                                 _session->set_nsm_state( nsm->is_active() );
 800                         } else {
 801                                 error << _("NSM: no session created") << endmsg;
 802                                 return -1;
 803                         }
 804
 805                         // nsm requires these actions disabled
 806                         vector<string> action_names;
 807                         action_names.push_back("SaveAs");
 808                         action_names.push_back("Rename");
 809                         action_names.push_back("New");
 810                         action_names.push_back("Open");
 811                         action_names.push_back("Recent");
 812                         action_names.push_back("Close");
 813
 814                         for (vector<string>::const_iterator n = action_names.begin(); n != action_names.end(); ++n) {
 815                                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), (*n).c_str());
 816                                 if (act) {
 817                                         act->set_sensitive (false);
 818                                 }
 819                         }
 820
 821                 } else {
 822                         delete nsm;
 823                         nsm = 0;
 824                         error << _("NSM: initialization failed") << endmsg;
 825                         return -1;
 826                 }
 827
 828         } else  {
 829
 830                 if (brand_new_user) {
 831                         ArdourStartup s;
 832                         s.present ();
 833                         main().run();
 834                         s.hide ();
 835                         switch (s.response ()) {
 836                         case Gtk::RESPONSE_OK:
 837                                 break;
 838                         default:
 839                                 return -1;
 840                         }
 841                 }
 842
 843                 /* go get a session */
 844
 845                 const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
 846
 847                 if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
 848                         return -1;
 849                 }
 850         }
 851
 852         use_config ();
 853
 854         goto_editor_window ();
 855
 856         WM::Manager::instance().show_visible ();
 857
 858         /* We have to do this here since goto_editor_window() ends up calling show_all() on the
 859          * editor window, and we may want stuff to be hidden.
 860          */
 861         _status_bar_visibility.update ();
 862
 863         BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
 864         return 0;
 865 }
 866
 867 void
 868 ARDOUR_UI::check_memory_locking ()
 869 {
 870 #if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
 871         /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
 872         return;
 873 #else // !__APPLE__
 874
 875         XMLNode* memory_warning_node = Config->instant_xml (X_("no-memory-warning"));
 876
 877         if (AudioEngine::instance()->is_realtime() && memory_warning_node == 0) {
 878
 879                 struct rlimit limits;
 880                 int64_t ram;
 881                 long pages, page_size;
 882 #ifdef __FreeBSD__
 883                 size_t pages_len=sizeof(pages);
 884                 if ((page_size = getpagesize()) < 0 ||
 885                                 sysctlbyname("hw.availpages", &pages, &pages_len, NULL, 0))
 886 #else
 887                 if ((page_size = sysconf (_SC_PAGESIZE)) < 0 ||(pages = sysconf (_SC_PHYS_PAGES)) < 0)
 888 #endif
 889                 {
 890                         ram = 0;
 891                 } else {
 892                         ram = (int64_t) pages * (int64_t) page_size;
 893                 }
 894
 895                 if (getrlimit (RLIMIT_MEMLOCK, &limits)) {
 896                         return;
 897                 }
 898
 899                 if (limits.rlim_cur != RLIM_INFINITY) {
 900
 901                         if (ram == 0 || ((double) limits.rlim_cur / ram) < 0.75) {
 902
 903                                 MessageDialog msg (
 904                                         string_compose (
 905                                                 _("WARNING: Your system has a limit for maximum amount of locked memory. "
 906                                                   "This might cause %1 to run out of memory before your system "
 907                                                   "runs out of memory. \n\n"
 908                                                   "You can view the memory limit with 'ulimit -l', "
 909                                                   "and it is normally controlled by %2"),
 910                                                 PROGRAM_NAME,
 911 #ifdef __FreeBSD__
 912                                                 X_("/etc/login.conf")
 913 #else
 914                                                 X_(" /etc/security/limits.conf")
 915 #endif
 916                                         ).c_str());
 917
 918                                 msg.set_default_response (RESPONSE_OK);
 919
 920                                 VBox* vbox = msg.get_vbox();
 921                                 HBox hbox;
 922                                 CheckButton cb (_("Do not show this window again"));
 923                                 hbox.pack_start (cb, true, false);
 924                                 vbox->pack_start (hbox);
 925                                 cb.show();
 926                                 vbox->show();
 927                                 hbox.show ();
 928
 929                                 pop_back_splash (msg);
 930
 931                                 editor->ensure_float (msg);
 932                                 msg.run ();
 933
 934                                 if (cb.get_active()) {
 935                                         XMLNode node (X_("no-memory-warning"));
 936                                         Config->add_instant_xml (node);
 937                                 }
 938                         }
 939                 }
 940         }
 941 #endif // !__APPLE__
 942 }
 943
 944
 945 void
 946 ARDOUR_UI::queue_finish ()
 947 {
 948         Glib::signal_idle().connect (mem_fun (*this, &ARDOUR_UI::idle_finish));
 949 }
 950
 951 bool
 952 ARDOUR_UI::idle_finish ()
 953 {
 954         finish ();
 955         return false; /* do not call again */
 956 }
 957
 958 void
 959 ARDOUR_UI::finish()
 960 {
 961         if (_session) {
 962                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
 963
 964                 if (_session->dirty()) {
 965                         vector<string> actions;
 966                         actions.push_back (_("Don't quit"));
 967                         actions.push_back (_("Just quit"));
 968                         actions.push_back (_("Save and quit"));
 969                         switch (ask_about_saving_session(actions)) {
 970                         case -1:
 971                                 return;
 972                                 break;
 973                         case 1:
 974                                 /* use the default name */
 975                                 if (save_state_canfail ("")) {
 976                                         /* failed - don't quit */
 977                                         MessageDialog msg (*editor,
 978                                                            string_compose (_("\
 979 %1 was unable to save your session.\n\n\
 980 If you still wish to quit, please use the\n\n\
 981 \"Just quit\" option."), PROGRAM_NAME));
 982                                         pop_back_splash(msg);
 983                                         msg.run ();
 984                                         return;
 985                                 }
 986                                 break;
 987                         case 0:
 988                                 break;
 989                         }
 990                 }
 991
 992                 second_connection.disconnect ();
 993                 point_one_second_connection.disconnect ();
 994                 point_zero_something_second_connection.disconnect();
 995         }
 996
 997         delete ARDOUR_UI::instance()->video_timeline;
 998         ARDOUR_UI::instance()->video_timeline = NULL;
 999         stop_video_server();
1000
1001         /* Save state before deleting the session, as that causes some
1002            windows to be destroyed before their visible state can be
1003            saved.
1004         */
1005         save_ardour_state ();
1006
1007         close_all_dialogs ();
1008
1009         loading_message (string_compose (_("Please wait while %1 cleans up..."), PROGRAM_NAME));
1010
1011         if (_session) {
1012                 // _session->set_deletion_in_progress ();
1013                 _session->set_clean ();
1014                 _session->remove_pending_capture_state ();
1015                 delete _session;
1016                 _session = 0;
1017         }
1018
1019         halt_connection.disconnect ();
1020         AudioEngine::instance()->stop ();
1021 #ifdef WINDOWS_VST_SUPPORT
1022         fst_stop_threading();
1023 #endif
1024         quit ();
1025 }
1026
1027 int
1028 ARDOUR_UI::ask_about_saving_session (const vector<string>& actions)
1029 {
1030         ArdourDialog window (_("Unsaved Session"));
1031         Gtk::HBox dhbox;  // the hbox for the image and text
1032         Gtk::Label  prompt_label;
1033         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_WARNING,  Gtk::ICON_SIZE_DIALOG));
1034
1035         string msg;
1036
1037         assert (actions.size() >= 3);
1038
1039         window.add_button (actions[0], RESPONSE_REJECT);
1040         window.add_button (actions[1], RESPONSE_APPLY);
1041         window.add_button (actions[2], RESPONSE_ACCEPT);
1042
1043         window.set_default_response (RESPONSE_ACCEPT);
1044
1045         Gtk::Button noquit_button (msg);
1046         noquit_button.set_name ("EditorGTKButton");
1047
1048         string prompt;
1049
1050         if (_session->snap_name() == _session->name()) {
1051                 prompt = string_compose(_("The session \"%1\"\nhas not been saved.\n\nAny changes made this time\nwill be lost unless you save it.\n\nWhat do you want to do?"),
1052                                         _session->snap_name());
1053         } else {
1054                 prompt = string_compose(_("The snapshot \"%1\"\nhas not been saved.\n\nAny changes made this time\nwill be lost unless you save it.\n\nWhat do you want to do?"),
1055                                         _session->snap_name());
1056         }
1057
1058         prompt_label.set_text (prompt);
1059         prompt_label.set_name (X_("PrompterLabel"));
1060         prompt_label.set_alignment(ALIGN_LEFT, ALIGN_TOP);
1061
1062         dimage->set_alignment(ALIGN_CENTER, ALIGN_TOP);
1063         dhbox.set_homogeneous (false);
1064         dhbox.pack_start (*dimage, false, false, 5);
1065         dhbox.pack_start (prompt_label, true, false, 5);
1066         window.get_vbox()->pack_start (dhbox);
1067
1068         window.set_name (_("Prompter"));
1069         window.set_modal (true);
1070         window.set_resizable (false);
1071
1072         dhbox.show();
1073         prompt_label.show();
1074         dimage->show();
1075         window.show();
1076         window.set_keep_above (true);
1077         window.present ();
1078
1079         ResponseType r = (ResponseType) window.run();
1080
1081         window.hide ();
1082
1083         switch (r) {
1084         case RESPONSE_ACCEPT: // save and get out of here
1085                 return 1;
1086         case RESPONSE_APPLY:  // get out of here
1087                 return 0;
1088         default:
1089                 break;
1090         }
1091
1092         return -1;
1093 }
1094
1095
1096 gint
1097 ARDOUR_UI::every_second ()
1098 {
1099         update_cpu_load ();
1100         update_buffer_load ();
1101         update_disk_space ();
1102         update_timecode_format ();
1103
1104         if (nsm && nsm->is_active ()) {
1105                 nsm->check ();
1106
1107                 if (!_was_dirty && _session->dirty ()) {
1108                         nsm->is_dirty ();
1109                         _was_dirty = true;
1110                 }
1111                 else if (_was_dirty && !_session->dirty ()){
1112                         nsm->is_clean ();
1113                         _was_dirty = false;
1114                 }
1115         }
1116         return TRUE;
1117 }
1118
1119 gint
1120 ARDOUR_UI::every_point_one_seconds ()
1121 {
1122         shuttle_box->update_speed_display ();
1123         RapidScreenUpdate(); /* EMIT_SIGNAL */
1124         return TRUE;
1125 }
1126
1127 gint
1128 ARDOUR_UI::every_point_zero_something_seconds ()
1129 {
1130         // august 2007: actual update frequency: 25Hz (40ms), not 100Hz
1131
1132         SuperRapidScreenUpdate(); /* EMIT_SIGNAL */
1133         if (editor_meter && Config->get_show_editor_meter()) {
1134                 float mpeak = editor_meter->update_meters();
1135                 if (mpeak > editor_meter_max_peak) {
1136                         if (mpeak >= Config->get_meter_peak()) {
1137                                 editor_meter_peak_display.set_name ("meterbridge peakindicator on");
1138                                 editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
1139                         }
1140                 }
1141         }
1142         return TRUE;
1143 }
1144
1145 void
1146 ARDOUR_UI::update_sample_rate (framecnt_t)
1147 {
1148         char buf[64];
1149
1150         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::update_sample_rate, ignored)
1151
1152         if (!AudioEngine::instance()->connected()) {
1153
1154                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1155
1156         } else {
1157
1158                 framecnt_t rate = AudioEngine::instance()->sample_rate();
1159
1160                 if (rate == 0) {
1161                         /* no sample rate available */
1162                         snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"red\">none</span>"));
1163                 } else {
1164
1165                         if (fmod (rate, 1000.0) != 0.0) {
1166                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%.1f kHz / %4.1f ms</span>"),
1167                                           (float) rate / 1000.0f,
1168                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1169                         } else {
1170                                 snprintf (buf, sizeof (buf), _("Audio: <span foreground=\"green\">%" PRId64 " kHz / %4.1f ms</span>"),
1171                                           rate/1000,
1172                                           (AudioEngine::instance()->usecs_per_cycle() / 1000.0f));
1173                         }
1174                 }
1175         }
1176         sample_rate_label.set_markup (buf);
1177 }
1178
1179 void
1180 ARDOUR_UI::update_format ()
1181 {
1182         if (!_session) {
1183                 format_label.set_text ("");
1184                 return;
1185         }
1186
1187         stringstream s;
1188         s << _("File:") << X_(" <span foreground=\"green\">");
1189
1190         switch (_session->config.get_native_file_header_format ()) {
1191         case BWF:
1192                 s << _("BWF");
1193                 break;
1194         case WAVE:
1195                 s << _("WAV");
1196                 break;
1197         case WAVE64:
1198                 s << _("WAV64");
1199                 break;
1200         case CAF:
1201                 s << _("CAF");
1202                 break;
1203         case AIFF:
1204                 s << _("AIFF");
1205                 break;
1206         case iXML:
1207                 s << _("iXML");
1208                 break;
1209         case RF64:
1210                 s << _("RF64");
1211                 break;
1212         }
1213
1214         s << " ";
1215
1216         switch (_session->config.get_native_file_data_format ()) {
1217         case FormatFloat:
1218                 s << _("32-float");
1219                 break;
1220         case FormatInt24:
1221                 s << _("24-int");
1222                 break;
1223         case FormatInt16:
1224                 s << _("16-int");
1225                 break;
1226         }
1227
1228         s << X_("</span>");
1229
1230         format_label.set_markup (s.str ());
1231 }
1232
1233 void
1234 ARDOUR_UI::update_cpu_load ()
1235 {
1236         char buf[64];
1237
1238         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1239            should also be changed.
1240         */
1241
1242         float const c = AudioEngine::instance()->get_dsp_load ();
1243         snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
1244         cpu_load_label.set_markup (buf);
1245 }
1246
1247 void
1248 ARDOUR_UI::update_buffer_load ()
1249 {
1250         char buf[256];
1251
1252         uint32_t const playback = _session ? _session->playback_load () : 100;
1253         uint32_t const capture = _session ? _session->capture_load () : 100;
1254
1255         /* If this text is changed, the set_size_request_to_display_given_text call in ARDOUR_UI::resize_text_widgets
1256            should also be changed.
1257         */
1258
1259         if (_session) {
1260                 snprintf (
1261                         buf, sizeof (buf),
1262                         _("Buffers: <span foreground=\"green\">p:</span><span foreground=\"%s\">%" PRIu32 "%%</span> "
1263                                    "<span foreground=\"green\">c:</span><span foreground=\"%s\">%" PRIu32 "%%</span>"),
1264                         playback <= 5 ? X_("red") : X_("green"),
1265                         playback,
1266                         capture <= 5 ? X_("red") : X_("green"),
1267                         capture
1268                         );
1269
1270                 buffer_load_label.set_markup (buf);
1271         } else {
1272                 buffer_load_label.set_text ("");
1273         }
1274 }
1275
1276 void
1277 ARDOUR_UI::count_recenabled_streams (Route& route)
1278 {
1279         Track* track = dynamic_cast<Track*>(&route);
1280         if (track && track->record_enabled()) {
1281                 rec_enabled_streams += track->n_inputs().n_total();
1282         }
1283 }
1284
1285 void
1286 ARDOUR_UI::update_disk_space()
1287 {
1288         if (_session == 0) {
1289                 return;
1290         }
1291
1292         boost::optional<framecnt_t> opt_frames = _session->available_capture_duration();
1293         char buf[64];
1294         framecnt_t fr = _session->frame_rate();
1295
1296         if (fr == 0) {
1297                 /* skip update - no SR available */
1298                 return;
1299         }
1300
1301         if (!opt_frames) {
1302                 /* Available space is unknown */
1303                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
1304         } else if (opt_frames.get_value_or (0) == max_framecnt) {
1305                 snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
1306         } else {
1307                 rec_enabled_streams = 0;
1308                 _session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams);
1309
1310                 framecnt_t frames = opt_frames.get_value_or (0);
1311
1312                 if (rec_enabled_streams) {
1313                         frames /= rec_enabled_streams;
1314                 }
1315
1316                 int hrs;
1317                 int mins;
1318                 int secs;
1319
1320                 hrs  = frames / (fr * 3600);
1321
1322                 if (hrs > 24) {
1323                         snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">&gt;24 hrs</span>"));
1324                 } else {
1325                         frames -= hrs * fr * 3600;
1326                         mins = frames / (fr * 60);
1327                         frames -= mins * fr * 60;
1328                         secs = frames / fr;
1329
1330                         bool const low = (hrs == 0 && mins <= 30);
1331
1332                         snprintf (
1333                                 buf, sizeof(buf),
1334                                 _("Disk: <span foreground=\"%s\">%02dh:%02dm:%02ds</span>"),
1335                                 low ? X_("red") : X_("green"),
1336                                 hrs, mins, secs
1337                                 );
1338                 }
1339         }
1340
1341         disk_space_label.set_markup (buf);
1342 }
1343
1344 void
1345 ARDOUR_UI::update_timecode_format ()
1346 {
1347         char buf[64];
1348
1349         if (_session) {
1350                 bool matching;
1351                 TimecodeSlave* tcslave;
1352                 SyncSource sync_src = Config->get_sync_source();
1353
1354                 if ((sync_src == LTC || sync_src == MTC) && (tcslave = dynamic_cast<TimecodeSlave*>(_session->slave())) != 0) {
1355                         matching = (tcslave->apparent_timecode_format() == _session->config.get_timecode_format());
1356                 } else {
1357                         matching = true;
1358                 }
1359
1360                 snprintf (buf, sizeof (buf), S_("Timecode|TC: <span foreground=\"%s\">%s</span>"),
1361                           matching ? X_("green") : X_("red"),
1362                           Timecode::timecode_format_name (_session->config.get_timecode_format()).c_str());
1363         } else {
1364                 snprintf (buf, sizeof (buf), "TC: n/a");
1365         }
1366
1367         timecode_format_label.set_markup (buf);
1368 }
1369
1370 gint
1371 ARDOUR_UI::update_wall_clock ()
1372 {
1373         time_t now;
1374         struct tm *tm_now;
1375         static int last_min = -1;
1376
1377         time (&now);
1378         tm_now = localtime (&now);
1379         if (last_min != tm_now->tm_min) {
1380                 char buf[16];
1381                 sprintf (buf, "%02d:%02d", tm_now->tm_hour, tm_now->tm_min);
1382                 wall_clock_label.set_text (buf);
1383                 last_min = tm_now->tm_min;
1384         }
1385
1386         return TRUE;
1387 }
1388
1389 void
1390 ARDOUR_UI::redisplay_recent_sessions ()
1391 {
1392         std::vector<std::string> session_directories;
1393         RecentSessionsSorter cmp;
1394
1395         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
1396         recent_session_model->clear ();
1397
1398         ARDOUR::RecentSessions rs;
1399         ARDOUR::read_recent_sessions (rs);
1400
1401         if (rs.empty()) {
1402                 recent_session_display.set_model (recent_session_model);
1403                 return;
1404         }
1405
1406         // sort them alphabetically
1407         sort (rs.begin(), rs.end(), cmp);
1408
1409         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
1410                 session_directories.push_back ((*i).second);
1411         }
1412
1413         for (vector<std::string>::const_iterator i = session_directories.begin();
1414                         i != session_directories.end(); ++i)
1415         {
1416                 std::vector<std::string> state_file_paths;
1417
1418                 // now get available states for this session
1419
1420                 get_state_files_in_directory (*i, state_file_paths);
1421
1422                 vector<string*>* states;
1423                 vector<const gchar*> item;
1424                 string fullpath = *i;
1425
1426                 /* remove any trailing / */
1427
1428                 if (fullpath[fullpath.length() - 1] == '/') {
1429                         fullpath = fullpath.substr (0, fullpath.length() - 1);
1430                 }
1431
1432                 /* check whether session still exists */
1433                 if (!Glib::file_test(fullpath.c_str(), Glib::FILE_TEST_EXISTS)) {
1434                         /* session doesn't exist */
1435                         continue;
1436                 }
1437
1438                 /* now get available states for this session */
1439
1440                 if ((states = Session::possible_states (fullpath)) == 0) {
1441                         /* no state file? */
1442                         continue;
1443                 }
1444
1445                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
1446
1447                 Gtk::TreeModel::Row row = *(recent_session_model->append());
1448
1449                 row[recent_session_columns.visible_name] = Glib::path_get_basename (fullpath);
1450                 row[recent_session_columns.fullpath] = fullpath;
1451                 row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1452
1453                 if (state_file_names.size() > 1) {
1454
1455                         // add the children
1456
1457                         for (std::vector<std::string>::iterator i2 = state_file_names.begin();
1458                                         i2 != state_file_names.end(); ++i2)
1459                         {
1460
1461                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
1462
1463                                 child_row[recent_session_columns.visible_name] = *i2;
1464                                 child_row[recent_session_columns.fullpath] = fullpath;
1465                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (fullpath);
1466                         }
1467                 }
1468         }
1469
1470         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip
1471         recent_session_display.set_model (recent_session_model);
1472 }
1473
1474 void
1475 ARDOUR_UI::build_session_selector ()
1476 {
1477         session_selector_window = new ArdourDialog (_("Recent Sessions"));
1478
1479         Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow);
1480
1481         session_selector_window->add_button (Stock::CANCEL, RESPONSE_CANCEL);
1482         session_selector_window->add_button (Stock::OPEN, RESPONSE_ACCEPT);
1483         session_selector_window->set_default_response (RESPONSE_ACCEPT);
1484         recent_session_model = TreeStore::create (recent_session_columns);
1485         recent_session_display.set_model (recent_session_model);
1486         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
1487         recent_session_display.set_headers_visible (false);
1488         recent_session_display.get_selection()->set_mode (SELECTION_BROWSE);
1489         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &ARDOUR_UI::recent_session_row_activated));
1490
1491         scroller->add (recent_session_display);
1492         scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1493
1494         session_selector_window->set_name ("SessionSelectorWindow");
1495         session_selector_window->set_size_request (200, 400);
1496         session_selector_window->get_vbox()->pack_start (*scroller);
1497
1498         recent_session_display.show();
1499         scroller->show();
1500 }
1501
1502 void
1503 ARDOUR_UI::recent_session_row_activated (const TreePath& /*path*/, TreeViewColumn* /*col*/)
1504 {
1505         session_selector_window->response (RESPONSE_ACCEPT);
1506 }
1507
1508 void
1509 ARDOUR_UI::open_recent_session ()
1510 {
1511         bool can_return = (_session != 0);
1512
1513         if (session_selector_window == 0) {
1514                 build_session_selector ();
1515         }
1516
1517         redisplay_recent_sessions ();
1518
1519         while (true) {
1520
1521                 ResponseType r = (ResponseType) session_selector_window->run ();
1522
1523                 switch (r) {
1524                 case RESPONSE_ACCEPT:
1525                         break;
1526                 default:
1527                         if (can_return) {
1528                                 session_selector_window->hide();
1529                                 return;
1530                         } else {
1531                                 exit (1);
1532                         }
1533                 }
1534
1535                 if (recent_session_display.get_selection()->count_selected_rows() == 0) {
1536                         continue;
1537                 }
1538
1539                 session_selector_window->hide();
1540
1541                 Gtk::TreeModel::iterator i = recent_session_display.get_selection()->get_selected();
1542
1543                 if (i == recent_session_model->children().end()) {
1544                         return;
1545                 }
1546
1547                 std::string path = (*i)[recent_session_columns.fullpath];
1548                 std::string state = (*i)[recent_session_columns.visible_name];
1549
1550                 _session_is_new = false;
1551
1552                 if (load_session (path, state) == 0) {
1553                         break;
1554                 }
1555
1556                 can_return = false;
1557         }
1558 }
1559
1560 bool
1561 ARDOUR_UI::check_audioengine ()
1562 {
1563         if (!AudioEngine::instance()->connected()) {
1564                 MessageDialog msg (string_compose (
1565                                            _("%1 is not connected to any audio backend.\n"
1566                                              "You cannot open or close sessions in this condition"),
1567                                            PROGRAM_NAME));
1568                 pop_back_splash (msg);
1569                 msg.run ();
1570                 return false;
1571         }
1572         return true;
1573 }
1574
1575 void
1576 ARDOUR_UI::open_session ()
1577 {
1578         if (!check_audioengine()) {
1579                 return;
1580
1581         }
1582
1583         /* popup selector window */
1584
1585         if (open_session_selector == 0) {
1586
1587                 /* ardour sessions are folders */
1588
1589                 open_session_selector = new Gtk::FileChooserDialog (_("Open Session"), FILE_CHOOSER_ACTION_OPEN);
1590                 open_session_selector->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1591                 open_session_selector->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
1592                 open_session_selector->set_default_response(Gtk::RESPONSE_ACCEPT);
1593
1594                 if (_session) {
1595                         string session_parent_dir = Glib::path_get_dirname(_session->path());
1596                         string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
1597                         session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
1598                         open_session_selector->set_current_folder(session_parent_dir);
1599                 } else {
1600                         open_session_selector->set_current_folder(Config->get_default_session_parent_dir());
1601                 }
1602
1603                 string default_session_folder = Config->get_default_session_parent_dir();
1604                 try {
1605                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
1606                         open_session_selector->add_shortcut_folder (default_session_folder);
1607                 }
1608                 catch (Glib::Error & e) {
1609                         std::cerr << "open_session_selector->add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
1610                 }
1611
1612                 FileFilter session_filter;
1613                 session_filter.add_pattern ("*.ardour");
1614                 session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
1615                 open_session_selector->add_filter (session_filter);
1616                 open_session_selector->set_filter (session_filter);
1617         }
1618
1619         int response = open_session_selector->run();
1620         open_session_selector->hide ();
1621
1622         switch (response) {
1623         case RESPONSE_ACCEPT:
1624                 break;
1625         default:
1626                 open_session_selector->hide();
1627                 return;
1628         }
1629
1630         open_session_selector->hide();
1631         string session_path = open_session_selector->get_filename();
1632         string path, name;
1633         bool isnew;
1634
1635         if (session_path.length() > 0) {
1636                 if (ARDOUR::find_session (session_path, path, name, isnew) == 0) {
1637                         _session_is_new = isnew;
1638                         load_session (path, name);
1639                 }
1640         }
1641 }
1642
1643
1644 void
1645 ARDOUR_UI::session_add_mixed_track (const ChanCount& input, const ChanCount& output, RouteGroup* route_group,
1646                                     uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1647 {
1648         list<boost::shared_ptr<MidiTrack> > tracks;
1649
1650         if (_session == 0) {
1651                 warning << _("You cannot add a track without a session already loaded.") << endmsg;
1652                 return;
1653         }
1654
1655         try {
1656                 tracks = _session->new_midi_track (input, output, instrument, ARDOUR::Normal, route_group, how_many, name_template);
1657
1658                 if (tracks.size() != how_many) {
1659                         error << string_compose(P_("could not create %1 new mixed track", "could not create %1 new mixed tracks", how_many), how_many) << endmsg;
1660                 }
1661         }
1662
1663         catch (...) {
1664                 MessageDialog msg (*editor,
1665                                    string_compose (_("There are insufficient JACK ports available\n\
1666 to create a new track or bus.\n\
1667 You should save %1, exit and\n\
1668 restart JACK with more ports."), PROGRAM_NAME));
1669                 msg.run ();
1670         }
1671 }
1672
1673
1674 void
1675 ARDOUR_UI::session_add_midi_route (bool disk, RouteGroup* route_group, uint32_t how_many, const string& name_template, PluginInfoPtr instrument)
1676 {
1677         ChanCount one_midi_channel;
1678         one_midi_channel.set (DataType::MIDI, 1);
1679
1680         if (disk) {
1681                 session_add_mixed_track (one_midi_channel, one_midi_channel, route_group, how_many, name_template, instrument);
1682         }
1683 }
1684
1685 void
1686 ARDOUR_UI::session_add_audio_route (
1687         bool track,
1688         int32_t input_channels,
1689         int32_t output_channels,
1690         ARDOUR::TrackMode mode,
1691         RouteGroup* route_group,
1692         uint32_t how_many,
1693         string const & name_template
1694         )
1695 {
1696         list<boost::shared_ptr<AudioTrack> > tracks;
1697         RouteList routes;
1698
1699         if (_session == 0) {
1700                 warning << _("You cannot add a track or bus without a session already loaded.") << endmsg;
1701                 return;
1702         }
1703
1704         try {
1705                 if (track) {
1706                         tracks = _session->new_audio_track (input_channels, output_channels, mode, route_group, how_many, name_template);
1707
1708                         if (tracks.size() != how_many) {
1709                                 error << string_compose (P_("could not create %1 new audio track", "could not create %1 new audio tracks", how_many), how_many)
1710                                       << endmsg;
1711                         }
1712
1713                 } else {
1714
1715                         routes = _session->new_audio_route (input_channels, output_channels, route_group, how_many, name_template);
1716
1717                         if (routes.size() != how_many) {
1718                                 error << string_compose (P_("could not create %1 new audio bus", "could not create %1 new audio busses", how_many), how_many)
1719                                       << endmsg;
1720                         }
1721                 }
1722         }
1723
1724         catch (...) {
1725                 MessageDialog msg (*editor,
1726                                    string_compose (_("There are insufficient JACK ports available\n\
1727 to create a new track or bus.\n\
1728 You should save %1, exit and\n\
1729 restart JACK with more ports."), PROGRAM_NAME));
1730                 pop_back_splash (msg);
1731                 msg.run ();
1732         }
1733 }
1734
1735 void
1736 ARDOUR_UI::transport_goto_start ()
1737 {
1738         if (_session) {
1739                 _session->goto_start();
1740
1741                 /* force displayed area in editor to start no matter
1742                    what "follow playhead" setting is.
1743                 */
1744
1745                 if (editor) {
1746                         editor->center_screen (_session->current_start_frame ());
1747                 }
1748         }
1749 }
1750
1751 void
1752 ARDOUR_UI::transport_goto_zero ()
1753 {
1754         if (_session) {
1755                 _session->request_locate (0);
1756
1757                 /* force displayed area in editor to start no matter
1758                    what "follow playhead" setting is.
1759                 */
1760
1761                 if (editor) {
1762                         editor->reset_x_origin (0);
1763                 }
1764         }
1765 }
1766
1767 void
1768 ARDOUR_UI::transport_goto_wallclock ()
1769 {
1770         if (_session && editor) {
1771
1772                 time_t now;
1773                 struct tm tmnow;
1774                 framepos_t frames;
1775
1776                 time (&now);
1777                 localtime_r (&now, &tmnow);
1778
1779                 int frame_rate = _session->frame_rate();
1780
1781                 if (frame_rate == 0) {
1782                         /* no frame rate available */
1783                         return;
1784                 }
1785
1786                 frames = tmnow.tm_hour * (60 * 60 * frame_rate);
1787                 frames += tmnow.tm_min * (60 * frame_rate);
1788                 frames += tmnow.tm_sec * frame_rate;
1789
1790                 _session->request_locate (frames, _session->transport_rolling ());
1791
1792                 /* force displayed area in editor to start no matter
1793                    what "follow playhead" setting is.
1794                 */
1795
1796                 if (editor) {
1797                         editor->center_screen (frames);
1798                 }
1799         }
1800 }
1801
1802 void
1803 ARDOUR_UI::transport_goto_end ()
1804 {
1805         if (_session) {
1806                 framepos_t const frame = _session->current_end_frame();
1807                 _session->request_locate (frame);
1808
1809                 /* force displayed area in editor to start no matter
1810                    what "follow playhead" setting is.
1811                 */
1812
1813                 if (editor) {
1814                         editor->center_screen (frame);
1815                 }
1816         }
1817 }
1818
1819 void
1820 ARDOUR_UI::transport_stop ()
1821 {
1822         if (!_session) {
1823                 return;
1824         }
1825
1826         if (_session->is_auditioning()) {
1827                 _session->cancel_audition ();
1828                 return;
1829         }
1830
1831         _session->request_stop (false, true);
1832 }
1833
1834 void
1835 ARDOUR_UI::transport_record (bool roll)
1836 {
1837
1838         if (_session) {
1839                 switch (_session->record_status()) {
1840                 case Session::Disabled:
1841                         if (_session->ntracks() == 0) {
1842                                 MessageDialog msg (*editor, _("Please create one or more tracks before trying to record.\nYou can do this with the \"Add Track or Bus\" option in the Session menu."));
1843                                 msg.run ();
1844                                 return;
1845                         }
1846                         _session->maybe_enable_record ();
1847                         if (roll) {
1848                                 transport_roll ();
1849                         }
1850                         break;
1851                 case Session::Recording:
1852                         if (roll) {
1853                                 _session->request_stop();
1854                         } else {
1855                                 _session->disable_record (false, true);
1856                         }
1857                         break;
1858
1859                 case Session::Enabled:
1860                         _session->disable_record (false, true);
1861                 }
1862         }
1863 }
1864
1865 void
1866 ARDOUR_UI::transport_roll ()
1867 {
1868         if (!_session) {
1869                 return;
1870         }
1871
1872         if (_session->is_auditioning()) {
1873                 return;
1874         }
1875
1876 #if 0
1877         if (_session->config.get_external_sync()) {
1878                 switch (Config->get_sync_source()) {
1879                 case Engine:
1880                         break;
1881                 default:
1882                         /* transport controlled by the master */
1883                         return;
1884                 }
1885         }
1886 #endif
1887
1888         bool rolling = _session->transport_rolling();
1889
1890         if (_session->get_play_loop()) {
1891                 /* XXX it is not possible to just leave seamless loop and keep
1892                    playing at present (nov 4th 2009)
1893                 */
1894                 if (!Config->get_seamless_loop()) {
1895                         _session->request_play_loop (false, true);
1896                 }
1897         } else if (_session->get_play_range () && !Config->get_always_play_range()) {
1898                 /* stop playing a range if we currently are */
1899                 _session->request_play_range (0, true);
1900         }
1901
1902         if (!rolling) {
1903                 _session->request_transport_speed (1.0f);
1904         }
1905 }
1906
1907 bool
1908 ARDOUR_UI::get_smart_mode() const
1909 {
1910         return ( editor->get_smart_mode() );
1911 }
1912
1913
1914 void
1915 ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
1916 {
1917
1918         if (!_session) {
1919                 return;
1920         }
1921
1922         if (_session->is_auditioning()) {
1923                 _session->cancel_audition ();
1924                 return;
1925         }
1926
1927         if (_session->config.get_external_sync()) {
1928                 switch (Config->get_sync_source()) {
1929                 case Engine:
1930                         break;
1931                 default:
1932                         /* transport controlled by the master */
1933                         return;
1934                 }
1935         }
1936
1937         bool rolling = _session->transport_rolling();
1938         bool affect_transport = true;
1939
1940         if (rolling && roll_out_of_bounded_mode) {
1941                 /* drop out of loop/range playback but leave transport rolling */
1942                 if (_session->get_play_loop()) {
1943                         if (Config->get_seamless_loop()) {
1944                                 /* the disk buffers contain copies of the loop - we can't
1945                                    just keep playing, so stop the transport. the user
1946                                    can restart as they wish.
1947                                 */
1948                                 affect_transport = true;
1949                         } else {
1950                                 /* disk buffers are normal, so we can keep playing */
1951                                 affect_transport = false;
1952                         }
1953                         _session->request_play_loop (false, true);
1954                 } else if (_session->get_play_range ()) {
1955                         affect_transport = false;
1956                         _session->request_play_range (0, true);
1957                 }
1958         }
1959
1960         if (affect_transport) {
1961                 if (rolling) {
1962                         _session->request_stop (with_abort, true);
1963                 } else {
1964                         if ( Config->get_always_play_range() ) {
1965                                 _session->request_play_range (&editor->get_selection().time, true);
1966                         }
1967
1968                         _session->request_transport_speed (1.0f);
1969                 }
1970         }
1971 }
1972
1973 void
1974 ARDOUR_UI::toggle_session_auto_loop ()
1975 {
1976         Location * looploc = _session->locations()->auto_loop_location();
1977
1978         if (!_session || !looploc) {
1979                 return;
1980         }
1981
1982         if (_session->get_play_loop()) {
1983
1984                 if (_session->transport_rolling()) {
1985
1986                         _session->request_locate (looploc->start(), true);
1987                         _session->request_play_loop (false);
1988
1989                 } else {
1990                         _session->request_play_loop (false);
1991                 }
1992         } else {
1993                 _session->request_play_loop (true);
1994         }
1995
1996         //show the loop markers
1997         looploc->set_hidden (false, this);
1998 }
1999
2000 void
2001 ARDOUR_UI::transport_play_selection ()
2002 {
2003         if (!_session) {
2004                 return;
2005         }
2006
2007         editor->play_selection ();
2008 }
2009
2010 void
2011 ARDOUR_UI::transport_play_preroll ()
2012 {
2013         if (!_session) {
2014                 return;
2015         }
2016         editor->play_with_preroll ();
2017 }
2018
2019 void
2020 ARDOUR_UI::transport_rewind (int option)
2021 {
2022         float current_transport_speed;
2023
2024         if (_session) {
2025                 current_transport_speed = _session->transport_speed();
2026
2027                 if (current_transport_speed >= 0.0f) {
2028                         switch (option) {
2029                         case 0:
2030                                 _session->request_transport_speed (-1.0f);
2031                                 break;
2032                         case 1:
2033                                 _session->request_transport_speed (-4.0f);
2034                                 break;
2035                         case -1:
2036                                 _session->request_transport_speed (-0.5f);
2037                                 break;
2038                         }
2039                 } else {
2040                         /* speed up */
2041                         _session->request_transport_speed (current_transport_speed * 1.5f);
2042                 }
2043         }
2044 }
2045
2046 void
2047 ARDOUR_UI::transport_forward (int option)
2048 {
2049         if (!_session) {
2050                 return;
2051         }
2052
2053         float current_transport_speed = _session->transport_speed();
2054
2055         if (current_transport_speed <= 0.0f) {
2056                 switch (option) {
2057                 case 0:
2058                         _session->request_transport_speed (1.0f);
2059                         break;
2060                 case 1:
2061                         _session->request_transport_speed (4.0f);
2062                         break;
2063                 case -1:
2064                         _session->request_transport_speed (0.5f);
2065                         break;
2066                 }
2067         } else {
2068                 /* speed up */
2069                 _session->request_transport_speed (current_transport_speed * 1.5f);
2070         }
2071 }
2072
2073 void
2074 ARDOUR_UI::toggle_record_enable (uint32_t rid)
2075 {
2076         if (!_session) {
2077                 return;
2078         }
2079
2080         boost::shared_ptr<Route> r;
2081
2082         if ((r = _session->route_by_remote_id (rid)) != 0) {
2083
2084                 Track* t;
2085
2086                 if ((t = dynamic_cast<Track*>(r.get())) != 0) {
2087                         t->set_record_enabled (!t->record_enabled(), this);
2088                 }
2089         }
2090 }
2091
2092 void
2093 ARDOUR_UI::map_transport_state ()
2094 {
2095         if (!_session) {
2096                 auto_loop_button.unset_active_state ();
2097                 play_selection_button.unset_active_state ();
2098                 roll_button.unset_active_state ();
2099                 stop_button.set_active_state (Gtkmm2ext::ExplicitActive);
2100                 return;
2101         }
2102
2103         shuttle_box->map_transport_state ();
2104
2105         float sp = _session->transport_speed();
2106
2107         if (sp != 0.0f) {
2108
2109                 /* we're rolling */
2110
2111                 if (_session->get_play_range()) {
2112
2113                         play_selection_button.set_active_state (Gtkmm2ext::ExplicitActive);
2114                         roll_button.unset_active_state ();
2115                         auto_loop_button.unset_active_state ();
2116
2117                 } else if (_session->get_play_loop ()) {
2118
2119                         auto_loop_button.set_active (true);
2120                         play_selection_button.set_active (false);
2121                         roll_button.set_active (false);
2122
2123                 } else {
2124
2125                         roll_button.set_active (true);
2126                         play_selection_button.set_active (false);
2127                         auto_loop_button.set_active (false);
2128                 }
2129
2130                 if (Config->get_always_play_range()) {
2131                         /* light up both roll and play-selection if they are joined */
2132                         roll_button.set_active (true);
2133                         play_selection_button.set_active (true);
2134                 }
2135
2136                 stop_button.set_active (false);
2137
2138         } else {
2139
2140                 stop_button.set_active (true);
2141                 roll_button.set_active (false);
2142                 play_selection_button.set_active (false);
2143                 auto_loop_button.set_active (false);
2144                 update_disk_space ();
2145         }
2146 }
2147
2148 void
2149 ARDOUR_UI::update_clocks ()
2150 {
2151         if (!editor || !editor->dragging_playhead()) {
2152                 Clock (_session->audible_frame(), false, editor->get_preferred_edit_position()); /* EMIT_SIGNAL */
2153         }
2154 }
2155
2156 void
2157 ARDOUR_UI::start_clocking ()
2158 {
2159         if (Config->get_super_rapid_clock_update()) {
2160                 clock_signal_connection = SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2161         } else {
2162                 clock_signal_connection = RapidScreenUpdate.connect (sigc::mem_fun(*this, &ARDOUR_UI::update_clocks));
2163         }
2164 }
2165
2166 void
2167 ARDOUR_UI::stop_clocking ()
2168 {
2169         clock_signal_connection.disconnect ();
2170 }
2171
2172 gint
2173 ARDOUR_UI::_blink (void *arg)
2174 {
2175         ((ARDOUR_UI *) arg)->blink ();
2176         return TRUE;
2177 }
2178
2179 void
2180 ARDOUR_UI::blink ()
2181 {
2182         Blink (blink_on = !blink_on); /* EMIT_SIGNAL */
2183 }
2184
2185 void
2186 ARDOUR_UI::start_blinking ()
2187 {
2188         /* Start the blink signal. Everybody with a blinking widget
2189            uses Blink to drive the widget's state.
2190         */
2191
2192         if (blink_timeout_tag < 0) {
2193                 blink_on = false;
2194                 blink_timeout_tag = g_timeout_add (240, _blink, this);
2195         }
2196 }
2197
2198 void
2199 ARDOUR_UI::stop_blinking ()
2200 {
2201         if (blink_timeout_tag >= 0) {
2202                 g_source_remove (blink_timeout_tag);
2203                 blink_timeout_tag = -1;
2204         }
2205 }
2206
2207
2208 /** Ask the user for the name of a new snapshot and then take it.
2209  */
2210
2211 void
2212 ARDOUR_UI::snapshot_session (bool switch_to_it)
2213 {
2214         ArdourPrompter prompter (true);
2215         string snapname;
2216
2217         prompter.set_name ("Prompter");
2218         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2219         if (switch_to_it) {
2220                 prompter.set_title (_("Save as..."));
2221                 prompter.set_prompt (_("New session name"));
2222         } else {
2223                 prompter.set_title (_("Take Snapshot"));
2224                 prompter.set_prompt (_("Name of new snapshot"));
2225         }
2226
2227         if (!switch_to_it) {
2228                 char timebuf[128];
2229                 time_t n;
2230                 struct tm local_time;
2231
2232                 time (&n);
2233                 localtime_r (&n, &local_time);
2234                 strftime (timebuf, sizeof(timebuf), "%FT%H.%M.%S", &local_time);
2235                 prompter.set_initial_text (timebuf);
2236         }
2237
2238   again:
2239         switch (prompter.run()) {
2240         case RESPONSE_ACCEPT:
2241         {
2242                 prompter.get_result (snapname);
2243
2244                 bool do_save = (snapname.length() != 0);
2245
2246                 if (do_save) {
2247                         char illegal = Session::session_name_is_legal(snapname);
2248                         if (illegal) {
2249                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2250                                                      "snapshot names may not contain a '%1' character"), illegal));
2251                                 msg.run ();
2252                                 goto again;
2253                         }
2254                 }
2255
2256                 vector<std::string> p;
2257                 get_state_files_in_directory (_session->session_directory().root_path(), p);
2258                 vector<string> n = get_file_names_no_extension (p);
2259                 if (find (n.begin(), n.end(), snapname) != n.end()) {
2260
2261                         ArdourDialog confirm (_("Confirm Snapshot Overwrite"), true);
2262                         Label m (_("A snapshot already exists with that name.  Do you want to overwrite it?"));
2263                         confirm.get_vbox()->pack_start (m, true, true);
2264                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
2265                         confirm.add_button (_("Overwrite"), Gtk::RESPONSE_ACCEPT);
2266                         confirm.show_all ();
2267                         switch (confirm.run()) {
2268                         case RESPONSE_CANCEL:
2269                                 do_save = false;
2270                         }
2271                 }
2272
2273                 if (do_save) {
2274                         save_state (snapname, switch_to_it);
2275                 }
2276                 break;
2277         }
2278
2279         default:
2280                 break;
2281         }
2282 }
2283
2284 /** Ask the user for a new session name and then rename the session to it.
2285  */
2286
2287 void
2288 ARDOUR_UI::rename_session ()
2289 {
2290         if (!_session) {
2291                 return;
2292         }
2293
2294         ArdourPrompter prompter (true);
2295         string name;
2296
2297         prompter.set_name ("Prompter");
2298         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2299         prompter.set_title (_("Rename Session"));
2300         prompter.set_prompt (_("New session name"));
2301
2302   again:
2303         switch (prompter.run()) {
2304         case RESPONSE_ACCEPT:
2305         {
2306                 prompter.get_result (name);
2307
2308                 bool do_rename = (name.length() != 0);
2309
2310                 if (do_rename) {
2311                         char illegal = Session::session_name_is_legal (name);
2312
2313                         if (illegal) {
2314                                 MessageDialog msg (string_compose (_("To ensure compatibility with various systems\n"
2315                                                                      "session names may not contain a '%1' character"), illegal));
2316                                 msg.run ();
2317                                 goto again;
2318                         }
2319
2320                         switch (_session->rename (name)) {
2321                         case -1: {
2322                                 MessageDialog msg (_("That name is already in use by another directory/folder. Please try again."));
2323                                 msg.set_position (WIN_POS_MOUSE);
2324                                 msg.run ();
2325                                 goto again;
2326                                 break;
2327                         }
2328                         case 0:
2329                                 break;
2330                         default: {
2331                                 MessageDialog msg (_("Renaming this session failed.\nThings could be seriously messed up at this point"));
2332                                 msg.set_position (WIN_POS_MOUSE);
2333                                 msg.run ();
2334                                 break;
2335                         }
2336                         }
2337                 }
2338
2339                 break;
2340         }
2341
2342         default:
2343                 break;
2344         }
2345 }
2346
2347 void
2348 ARDOUR_UI::save_state (const string & name, bool switch_to_it)
2349 {
2350         XMLNode* node = new XMLNode (X_("UI"));
2351
2352         WM::Manager::instance().add_state (*node);
2353
2354         node->add_child_nocopy (gui_object_state->get_state());
2355
2356         _session->add_extra_xml (*node);
2357
2358         save_state_canfail (name, switch_to_it);
2359 }
2360
2361 int
2362 ARDOUR_UI::save_state_canfail (string name, bool switch_to_it)
2363 {
2364         if (_session) {
2365                 int ret;
2366
2367                 if (name.length() == 0) {
2368                         name = _session->snap_name();
2369                 }
2370
2371                 if ((ret = _session->save_state (name, false, switch_to_it)) != 0) {
2372                         return ret;
2373                 }
2374         }
2375
2376         save_ardour_state (); /* XXX cannot fail? yeah, right ... */
2377         return 0;
2378 }
2379
2380 void
2381 ARDOUR_UI::primary_clock_value_changed ()
2382 {
2383         if (_session) {
2384                 _session->request_locate (primary_clock->current_time ());
2385         }
2386 }
2387
2388 void
2389 ARDOUR_UI::big_clock_value_changed ()
2390 {
2391         if (_session) {
2392                 _session->request_locate (big_clock->current_time ());
2393         }
2394 }
2395
2396 void
2397 ARDOUR_UI::secondary_clock_value_changed ()
2398 {
2399         if (_session) {
2400                 _session->request_locate (secondary_clock->current_time ());
2401         }
2402 }
2403
2404 void
2405 ARDOUR_UI::transport_rec_enable_blink (bool onoff)
2406 {
2407         if (_session == 0) {
2408                 return;
2409         }
2410
2411         if (_session->step_editing()) {
2412                 return;
2413         }
2414
2415         Session::RecordState const r = _session->record_status ();
2416         bool const h = _session->have_rec_enabled_track ();
2417
2418         if (r == Session::Enabled || (r == Session::Recording && !h)) {
2419                 if (onoff) {
2420                         rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2421                 } else {
2422                         rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
2423                 }
2424         } else if (r == Session::Recording && h) {
2425                 rec_button.set_active_state (Gtkmm2ext::ExplicitActive);
2426         } else {
2427                 rec_button.unset_active_state ();
2428         }
2429 }
2430
2431 void
2432 ARDOUR_UI::save_template ()
2433 {
2434         ArdourPrompter prompter (true);
2435         string name;
2436
2437         if (!check_audioengine()) {
2438                 return;
2439         }
2440
2441         prompter.set_name (X_("Prompter"));
2442         prompter.set_title (_("Save Template"));
2443         prompter.set_prompt (_("Name for template:"));
2444         prompter.set_initial_text(_session->name() + _("-template"));
2445         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
2446
2447         switch (prompter.run()) {
2448         case RESPONSE_ACCEPT:
2449                 prompter.get_result (name);
2450
2451                 if (name.length()) {
2452                         _session->save_template (name);
2453                 }
2454                 break;
2455
2456         default:
2457                 break;
2458         }
2459 }
2460
2461 void
2462 ARDOUR_UI::edit_metadata ()
2463 {
2464         SessionMetadataEditor dialog;
2465         dialog.set_session (_session);
2466         editor->ensure_float (dialog);
2467         dialog.run ();
2468 }
2469
2470 void
2471 ARDOUR_UI::import_metadata ()
2472 {
2473         SessionMetadataImporter dialog;
2474         dialog.set_session (_session);
2475         editor->ensure_float (dialog);
2476         dialog.run ();
2477 }
2478
2479 bool
2480 ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
2481 {
2482         std::string str = string_compose (_("This session\n%1\nalready exists. Do you want to open it?"), session_path);
2483
2484         MessageDialog msg (str,
2485                            false,
2486                            Gtk::MESSAGE_WARNING,
2487                            Gtk::BUTTONS_YES_NO,
2488                            true);
2489
2490
2491         msg.set_name (X_("OpenExistingDialog"));
2492         msg.set_title (_("Open Existing Session"));
2493         msg.set_wmclass (X_("existing_session"), PROGRAM_NAME);
2494         msg.set_position (Gtk::WIN_POS_MOUSE);
2495         pop_back_splash (msg);
2496
2497         switch (msg.run()) {
2498         case RESPONSE_YES:
2499                 return true;
2500                 break;
2501         }
2502         return false;
2503 }
2504
2505 int
2506 ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
2507 {
2508         BusProfile bus_profile;
2509
2510         if (nsm || Profile->get_sae()) {
2511
2512                 bus_profile.master_out_channels = 2;
2513                 bus_profile.input_ac = AutoConnectPhysical;
2514                 bus_profile.output_ac = AutoConnectMaster;
2515                 bus_profile.requested_physical_in = 0; // use all available
2516                 bus_profile.requested_physical_out = 0; // use all available
2517
2518         } else {
2519
2520                 /* get settings from advanced section of NSD */
2521
2522                 if (sd.create_master_bus()) {
2523                         bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
2524                 } else {
2525                         bus_profile.master_out_channels = 0;
2526                 }
2527
2528                 if (sd.connect_inputs()) {
2529                         bus_profile.input_ac = AutoConnectPhysical;
2530                 } else {
2531                         bus_profile.input_ac = AutoConnectOption (0);
2532                 }
2533
2534                 bus_profile.output_ac = AutoConnectOption (0);
2535
2536                 if (sd.connect_outputs ()) {
2537                         if (sd.connect_outs_to_master()) {
2538                                 bus_profile.output_ac = AutoConnectMaster;
2539                         } else if (sd.connect_outs_to_physical()) {
2540                                 bus_profile.output_ac = AutoConnectPhysical;
2541                         }
2542                 }
2543
2544                 bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
2545                 bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
2546         }
2547
2548         if (build_session (session_path, session_name, bus_profile)) {
2549                 return -1;
2550         }
2551
2552         return 0;
2553 }
2554
2555 void
2556 ARDOUR_UI::idle_load (const std::string& path)
2557 {
2558         if (_session) {
2559                 if (Glib::file_test (path, Glib::FILE_TEST_IS_DIR)) {
2560                         /* /path/to/foo => /path/to/foo, foo */
2561                         load_session (path, basename_nosuffix (path));
2562                 } else {
2563                         /* /path/to/foo/foo.ardour => /path/to/foo, foo */
2564                         load_session (Glib::path_get_dirname (path), basename_nosuffix (path));
2565                 }
2566
2567         } else {
2568                 ARDOUR_COMMAND_LINE::session_name = path;
2569         }
2570 }
2571
2572 /** @param quit_on_cancel true if exit() should be called if the user clicks `cancel' in the new session dialog */
2573 int
2574 ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, string load_template)
2575 {
2576         string session_name;
2577         string session_path;
2578         string template_name;
2579         int ret = -1;
2580         bool likely_new = false;
2581         bool cancel_not_quit;
2582
2583         /* deal with any existing DIRTY session now, rather than later. don't
2584          * treat a non-dirty session this way, so that it stays visible
2585          * as we bring up the new session dialog.
2586          */
2587
2588         if (_session && ARDOUR_UI::instance()->video_timeline) {
2589                 ARDOUR_UI::instance()->video_timeline->sync_session_state();
2590         }
2591
2592         /* if there is already a session, relabel the button
2593            on the SessionDialog so that we don't Quit directly
2594         */
2595         cancel_not_quit = (_session != 0);
2596
2597         if (_session && _session->dirty()) {
2598                 if (unload_session (false)) {
2599                         /* unload cancelled by user */
2600                         return 0;
2601                 }
2602                 ARDOUR_COMMAND_LINE::session_name = "";
2603         }
2604
2605         if (!load_template.empty()) {
2606                 should_be_new = true;
2607                 template_name = load_template;
2608         }
2609
2610         session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
2611         session_path = ARDOUR_COMMAND_LINE::session_name;
2612
2613         if (!session_path.empty()) {
2614                 if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
2615                         if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
2616                                 /* session/snapshot file, change path to be dir */
2617                                 session_path = Glib::path_get_dirname (session_path);
2618                         }
2619                 }
2620         }
2621
2622         SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
2623
2624         while (ret != 0) {
2625
2626                 if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
2627
2628                         /* if they named a specific statefile, use it, otherwise they are
2629                            just giving a session folder, and we want to use it as is
2630                            to find the session.
2631                         */
2632
2633                         string::size_type suffix = ARDOUR_COMMAND_LINE::session_name.find (statefile_suffix);
2634
2635                         if (suffix != string::npos) {
2636                                 session_path = Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name);
2637                                 session_name = ARDOUR_COMMAND_LINE::session_name.substr (0, suffix);
2638                                 session_name = Glib::path_get_basename (session_name);
2639                         } else {
2640                                 session_path = ARDOUR_COMMAND_LINE::session_name;
2641                                 session_name = Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name);
2642                         }
2643                 } else {
2644                         session_path = "";
2645                         session_name = "";
2646                         session_dialog.clear_given ();
2647                 }
2648
2649                 if (should_be_new || session_name.empty()) {
2650                         /* need the dialog to get info from user */
2651
2652                         cerr << "run dialog\n";
2653
2654                         switch (session_dialog.run()) {
2655                         case RESPONSE_ACCEPT:
2656                                 break;
2657                         default:
2658                                 if (quit_on_cancel) {
2659                                         exit (1);
2660                                 } else {
2661                                         return ret;
2662                                 }
2663                         }
2664
2665                         session_dialog.hide ();
2666                 }
2667
2668                 /* if we run the startup dialog again, offer more than just "new session" */
2669
2670                 should_be_new = false;
2671
2672                 session_name = session_dialog.session_name (likely_new);
2673                 session_path = session_dialog.session_folder ();
2674
2675                 if (nsm) {
2676                         likely_new = true;
2677                 }
2678
2679                 string::size_type suffix = session_name.find (statefile_suffix);
2680
2681                 if (suffix != string::npos) {
2682                         session_name = session_name.substr (0, suffix);
2683                 }
2684
2685                 /* this shouldn't happen, but we catch it just in case it does */
2686
2687                 if (session_name.empty()) {
2688                         continue;
2689                 }
2690
2691                 if (session_dialog.use_session_template()) {
2692                         template_name = session_dialog.session_template_name();
2693                         _session_is_new = true;
2694                 }
2695
2696                 if (session_name[0] == G_DIR_SEPARATOR ||
2697                     (session_name.length() > 2 && session_name[0] == '.' && session_name[1] == G_DIR_SEPARATOR) ||
2698                     (session_name.length() > 3 && session_name[0] == '.' && session_name[1] == '.' && session_name[2] == G_DIR_SEPARATOR)) {
2699
2700                         /* absolute path or cwd-relative path specified for session name: infer session folder
2701                            from what was given.
2702                         */
2703
2704                         session_path = Glib::path_get_dirname (session_name);
2705                         session_name = Glib::path_get_basename (session_name);
2706
2707                 } else {
2708
2709                         session_path = session_dialog.session_folder();
2710
2711                         char illegal = Session::session_name_is_legal (session_name);
2712
2713                         if (illegal) {
2714                                 MessageDialog msg (session_dialog,
2715                                                    string_compose (_("To ensure compatibility with various systems\n"
2716                                                                      "session names may not contain a '%1' character"),
2717                                                                    illegal));
2718                                 msg.run ();
2719                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2720                                 continue;
2721                         }
2722                 }
2723
2724                 if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
2725
2726
2727                         if (likely_new && !nsm) {
2728
2729                                 std::string existing = Glib::build_filename (session_path, session_name);
2730
2731                                 if (!ask_about_loading_existing_session (existing)) {
2732                                         ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2733                                         continue;
2734                                 }
2735                         }
2736
2737                         _session_is_new = false;
2738
2739                 } else {
2740
2741                         if (!likely_new) {
2742                                 pop_back_splash (session_dialog);
2743                                 MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
2744                                 msg.run ();
2745                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2746                                 continue;
2747                         }
2748
2749                         char illegal = Session::session_name_is_legal(session_name);
2750
2751                         if (illegal) {
2752                                 pop_back_splash (session_dialog);
2753                                 MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
2754                                                                                     "session names may not contain a '%1' character"), illegal));
2755                                 msg.run ();
2756                                 ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
2757                                 continue;
2758                         }
2759
2760                         _session_is_new = true;
2761                 }
2762
2763                 if (likely_new && template_name.empty()) {
2764
2765                         ret = build_session_from_dialog (session_dialog, session_path, session_name);
2766
2767                 } else {
2768
2769                         ret = load_session (session_path, session_name, template_name);
2770
2771                         if (ret == -2) {
2772                                 /* not connected to the AudioEngine, so quit to avoid an infinite loop */
2773                                 exit (1);
2774                         }
2775
2776                         if (!ARDOUR_COMMAND_LINE::immediate_save.empty()) {
2777                                 _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
2778                                 exit (1);
2779                         }
2780
2781                         /* clear this to avoid endless attempts to load the
2782                            same session.
2783                         */
2784
2785                         ARDOUR_COMMAND_LINE::session_name = "";
2786                 }
2787         }
2788
2789         return ret;
2790 }
2791
2792 void
2793 ARDOUR_UI::close_session()
2794 {
2795         if (!check_audioengine()) {
2796                 return;
2797         }
2798
2799         if (unload_session (true)) {
2800                 return;
2801         }
2802
2803         ARDOUR_COMMAND_LINE::session_name = "";
2804
2805         if (get_session_parameters (true, false)) {
2806                 exit (1);
2807         }
2808
2809         goto_editor_window ();
2810 }
2811
2812 /** @param snap_name Snapshot name (without .ardour suffix).
2813  *  @return -2 if the load failed because we are not connected to the AudioEngine.
2814  */
2815 int
2816 ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name, std::string mix_template)
2817 {
2818         Session *new_session;
2819         int unload_status;
2820         int retval = -1;
2821
2822         if (_session) {
2823                 unload_status = unload_session ();
2824
2825                 if (unload_status < 0) {
2826                         goto out;
2827                 } else if (unload_status > 0) {
2828                         retval = 0;
2829                         goto out;
2830                 }
2831         }
2832
2833         session_loaded = false;
2834
2835         loading_message (string_compose (_("Please wait while %1 loads your session"), PROGRAM_NAME));
2836
2837         try {
2838                 new_session = new Session (*AudioEngine::instance(), path, snap_name, 0, mix_template);
2839         }
2840
2841         /* this one is special */
2842
2843         catch (AudioEngine::PortRegistrationFailure& err) {
2844
2845                 MessageDialog msg (err.what(),
2846                                    true,
2847                                    Gtk::MESSAGE_INFO,
2848                                    Gtk::BUTTONS_CLOSE);
2849
2850                 msg.set_title (_("Port Registration Error"));
2851                 msg.set_secondary_text (_("Click the Close button to try again."));
2852                 msg.set_position (Gtk::WIN_POS_CENTER);
2853                 pop_back_splash (msg);
2854                 msg.present ();
2855
2856                 int response = msg.run ();
2857
2858                 msg.hide ();
2859
2860                 switch (response) {
2861                 case RESPONSE_CANCEL:
2862                         exit (1);
2863                 default:
2864                         break;
2865                 }
2866                 goto out;
2867         }
2868
2869         catch (...) {
2870
2871                 MessageDialog msg (string_compose(
2872                                            _("Session \"%1 (snapshot %2)\" did not load successfully"),
2873                                            path, snap_name),
2874                                    true,
2875                                    Gtk::MESSAGE_INFO,
2876                                    BUTTONS_OK);
2877
2878                 msg.set_keep_above (true);
2879                 msg.set_title (_("Loading Error"));
2880                 msg.set_position (Gtk::WIN_POS_CENTER);
2881                 pop_back_splash (msg);
2882                 msg.present ();
2883                 (void) msg.run ();
2884                 msg.hide ();
2885
2886                 goto out;
2887         }
2888
2889         {
2890                 list<string> const u = new_session->unknown_processors ();
2891                 if (!u.empty()) {
2892                         MissingPluginDialog d (_session, u);
2893                         d.run ();
2894                 }
2895         }
2896
2897         if (!new_session->writable()) {
2898                 MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
2899                                    true,
2900                                    Gtk::MESSAGE_INFO,
2901                                    BUTTONS_OK);
2902
2903                 msg.set_keep_above (true);
2904                 msg.set_title (_("Read-only Session"));
2905                 msg.set_position (Gtk::WIN_POS_CENTER);
2906                 pop_back_splash (msg);
2907                 msg.present ();
2908                 (void) msg.run ();
2909                 msg.hide ();
2910         }
2911
2912
2913         /* Now the session been created, add the transport controls */
2914         new_session->add_controllable(roll_controllable);
2915         new_session->add_controllable(stop_controllable);
2916         new_session->add_controllable(goto_start_controllable);
2917         new_session->add_controllable(goto_end_controllable);
2918         new_session->add_controllable(auto_loop_controllable);
2919         new_session->add_controllable(play_selection_controllable);
2920         new_session->add_controllable(rec_controllable);
2921
2922         set_session (new_session);
2923
2924         session_loaded = true;
2925
2926         goto_editor_window ();
2927
2928         if (_session) {
2929                 _session->set_clean ();
2930         }
2931
2932 #ifdef WINDOWS_VST_SUPPORT
2933         fst_stop_threading();
2934 #endif
2935         flush_pending ();
2936 #ifdef WINDOWS_VST_SUPPORT
2937         fst_start_threading();
2938 #endif
2939         retval = 0;
2940
2941   out:
2942         return retval;
2943 }
2944
2945 int
2946 ARDOUR_UI::build_session (const std::string& path, const std::string& snap_name, BusProfile& bus_profile)
2947 {
2948         Session *new_session;
2949         int x;
2950
2951         session_loaded = false;
2952         x = unload_session ();
2953
2954         if (x < 0) {
2955                 return -1;
2956         } else if (x > 0) {
2957                 return 0;
2958         }
2959
2960         _session_is_new = true;
2961
2962         try {
2963                 new_session = new Session (*AudioEngine::instance(), path, snap_name, &bus_profile);
2964         }
2965
2966         catch (...) {
2967
2968                 MessageDialog msg (string_compose(_("Could not create session in \"%1\""), path));
2969                 pop_back_splash (msg);
2970                 msg.run ();
2971                 return -1;
2972         }
2973
2974         /* Give the new session the default GUI state, if such things exist */
2975
2976         XMLNode* n;
2977         n = Config->instant_xml (X_("Editor"));
2978         if (n) {
2979                 new_session->add_instant_xml (*n, false);
2980         }
2981         n = Config->instant_xml (X_("Mixer"));
2982         if (n) {
2983                 new_session->add_instant_xml (*n, false);
2984         }
2985
2986         /* Put the playhead at 0 and scroll fully left */
2987         n = new_session->instant_xml (X_("Editor"));
2988         if (n) {
2989                 n->add_property (X_("playhead"), X_("0"));
2990                 n->add_property (X_("left-frame"), X_("0"));
2991         }
2992
2993         set_session (new_session);
2994
2995         session_loaded = true;
2996
2997         new_session->save_state(new_session->name());
2998
2999         return 0;
3000 }
3001
3002 void
3003 ARDOUR_UI::launch_chat ()
3004 {
3005 #ifdef __APPLE__
3006         open_uri("http://webchat.freenode.net/?channels=ardour-osx");
3007 #else
3008         open_uri("http://webchat.freenode.net/?channels=ardour");
3009 #endif
3010 }
3011
3012 void
3013 ARDOUR_UI::launch_manual ()
3014 {
3015         PBD::open_uri (Config->get_tutorial_manual_url());
3016 }
3017
3018 void
3019 ARDOUR_UI::launch_reference ()
3020 {
3021         PBD::open_uri (Config->get_reference_manual_url());
3022 }
3023
3024 void
3025 ARDOUR_UI::loading_message (const std::string& msg)
3026 {
3027         if (ARDOUR_COMMAND_LINE::no_splash) {
3028                 return;
3029         }
3030
3031         if (!splash) {
3032                 show_splash ();
3033         }
3034
3035         splash->message (msg);
3036 }
3037
3038 void
3039 ARDOUR_UI::show_splash ()
3040 {
3041         if (splash == 0) {
3042                 try {
3043                         splash = new Splash;
3044                 } catch (...) {
3045                         return;
3046                 }
3047         }
3048
3049         splash->display ();
3050 }
3051
3052 void
3053 ARDOUR_UI::hide_splash ()
3054 {
3055         delete splash;
3056         splash = 0;
3057 }
3058
3059 void
3060 ARDOUR_UI::display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete)
3061 {
3062         size_t removed;
3063
3064         removed = rep.paths.size();
3065
3066         if (removed == 0) {
3067                 MessageDialog msgd (*editor,
3068                                     _("No files were ready for clean-up"),
3069                                     true,
3070                                     Gtk::MESSAGE_INFO,
3071                                     Gtk::BUTTONS_OK);
3072                 msgd.set_title (_("Clean-up"));
3073                 msgd.set_secondary_text (_("If this seems suprising, \n\
3074 check for any existing snapshots.\n\
3075 These may still include regions that\n\
3076 require some unused files to continue to exist."));
3077
3078                 msgd.run ();
3079                 return;
3080         }
3081
3082         ArdourDialog results (_("Clean-up"), true, false);
3083
3084         struct CleanupResultsModelColumns : public Gtk::TreeModel::ColumnRecord {
3085             CleanupResultsModelColumns() {
3086                     add (visible_name);
3087                     add (fullpath);
3088             }
3089             Gtk::TreeModelColumn<std::string> visible_name;
3090             Gtk::TreeModelColumn<std::string> fullpath;
3091         };
3092
3093
3094         CleanupResultsModelColumns results_columns;
3095         Glib::RefPtr<Gtk::ListStore> results_model;
3096         Gtk::TreeView results_display;
3097
3098         results_model = ListStore::create (results_columns);
3099         results_display.set_model (results_model);
3100         results_display.append_column (list_title, results_columns.visible_name);
3101
3102         results_display.set_name ("CleanupResultsList");
3103         results_display.set_headers_visible (true);
3104         results_display.set_headers_clickable (false);
3105         results_display.set_reorderable (false);
3106
3107         Gtk::ScrolledWindow list_scroller;
3108         Gtk::Label txt;
3109         Gtk::VBox dvbox;
3110         Gtk::HBox dhbox;  // the hbox for the image and text
3111         Gtk::HBox ddhbox; // the hbox we eventually pack into the dialog's vbox
3112         Gtk::Image* dimage = manage (new Gtk::Image(Stock::DIALOG_INFO,  Gtk::ICON_SIZE_DIALOG));
3113
3114         dimage->set_alignment(ALIGN_LEFT, ALIGN_TOP);
3115
3116         const string dead_directory = _session->session_directory().dead_path();
3117
3118         /* subst:
3119            %1 - number of files removed
3120            %2 - location of "dead"
3121            %3 - size of files affected
3122            %4 - prefix for "bytes" to produce sensible results (e.g. mega, kilo, giga)
3123         */
3124
3125         const char* bprefix;
3126         double space_adjusted = 0;
3127
3128         if (rep.space < 1000) {
3129                 bprefix = X_("");
3130                 space_adjusted = rep.space;
3131         } else if (rep.space < 1000000) {
3132                 bprefix = _("kilo");
3133                 space_adjusted = floorf((float)rep.space / 1000.0);
3134         } else if (rep.space < 1000000 * 1000) {
3135                 bprefix = _("mega");
3136                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
3137         } else {
3138                 bprefix = _("giga");
3139                 space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
3140         }
3141
3142         if (msg_delete) {
3143                 txt.set_markup (string_compose (P_("\
3144 The following file was deleted from %2,\n\
3145 releasing %3 %4bytes of disk space", "\
3146 The following %1 files were deleted from %2,\n\
3147 releasing %3 %4bytes of disk space", removed),
3148                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3149         } else {
3150                 txt.set_markup (string_compose (P_("\
3151 The following file was not in use and \n\
3152 has been moved to: %2\n\n\
3153 After a restart of %5\n\n\
3154 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3155 will release an additional %3 %4bytes of disk space.\n", "\
3156 The following %1 files were not in use and \n\
3157 have been moved to: %2\n\n\
3158 After a restart of %5\n\n\
3159 <span face=\"mono\">Session -> Clean-up -> Flush Wastebasket</span>\n\n\
3160 will release an additional %3 %4bytes of disk space.\n", removed),
3161                                         removed, Glib::Markup::escape_text (dead_directory), space_adjusted, bprefix, PROGRAM_NAME));
3162         }
3163
3164         dhbox.pack_start (*dimage, true, false, 5);
3165         dhbox.pack_start (txt, true, false, 5);
3166
3167         for (vector<string>::iterator i = rep.paths.begin(); i != rep.paths.end(); ++i) {
3168                 TreeModel::Row row = *(results_model->append());
3169                 row[results_columns.visible_name] = *i;
3170                 row[results_columns.fullpath] = *i;
3171         }
3172
3173         list_scroller.add (results_display);
3174         list_scroller.set_size_request (-1, 150);
3175         list_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
3176
3177         dvbox.pack_start (dhbox, true, false, 5);
3178         dvbox.pack_start (list_scroller, true, false, 5);
3179         ddhbox.pack_start (dvbox, true, false, 5);
3180
3181         results.get_vbox()->pack_start (ddhbox, true, false, 5);
3182         results.add_button (Stock::CLOSE, RESPONSE_CLOSE);
3183         results.set_default_response (RESPONSE_CLOSE);
3184         results.set_position (Gtk::WIN_POS_MOUSE);
3185
3186         results_display.show();
3187         list_scroller.show();
3188         txt.show();
3189         dvbox.show();
3190         dhbox.show();
3191         ddhbox.show();
3192         dimage->show();
3193
3194         //results.get_vbox()->show();
3195         results.set_resizable (false);
3196
3197         results.run ();
3198
3199 }
3200
3201 void
3202 ARDOUR_UI::cleanup ()
3203 {
3204         if (_session == 0) {
3205                 /* shouldn't happen: menu item is insensitive */
3206                 return;
3207         }
3208
3209
3210         MessageDialog checker (_("Are you sure you want to clean-up?"),
3211                                 true,
3212                                 Gtk::MESSAGE_QUESTION,
3213                                 Gtk::BUTTONS_NONE);
3214
3215         checker.set_title (_("Clean-up"));
3216
3217         checker.set_secondary_text(_("Clean-up is a destructive operation.\n\
3218 ALL undo/redo information will be lost if you clean-up.\n\
3219 Clean-up will move all unused files to a \"dead\" location."));
3220
3221         checker.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3222         checker.add_button (_("Clean-up"), RESPONSE_ACCEPT);
3223         checker.set_default_response (RESPONSE_CANCEL);
3224
3225         checker.set_name (_("CleanupDialog"));
3226         checker.set_wmclass (X_("ardour_cleanup"), PROGRAM_NAME);
3227         checker.set_position (Gtk::WIN_POS_MOUSE);
3228
3229         switch (checker.run()) {
3230         case RESPONSE_ACCEPT:
3231                 break;
3232         default:
3233                 return;
3234         }
3235
3236         ARDOUR::CleanupReport rep;
3237
3238         editor->prepare_for_cleanup ();
3239
3240         /* do not allow flush until a session is reloaded */
3241
3242         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Main"), X_("FlushWastebasket"));
3243         if (act) {
3244                 act->set_sensitive (false);
3245         }
3246
3247         if (_session->cleanup_sources (rep)) {
3248                 editor->finish_cleanup ();
3249                 return;
3250         }
3251
3252         editor->finish_cleanup ();
3253
3254         checker.hide();
3255         display_cleanup_results (rep, _("Cleaned Files"), false);
3256 }
3257
3258 void
3259 ARDOUR_UI::flush_trash ()
3260 {
3261         if (_session == 0) {
3262                 /* shouldn't happen: menu item is insensitive */
3263                 return;
3264         }
3265
3266         ARDOUR::CleanupReport rep;
3267
3268         if (_session->cleanup_trash_sources (rep)) {
3269                 return;
3270         }
3271
3272         display_cleanup_results (rep, _("deleted file"), true);
3273 }
3274
3275 void
3276 ARDOUR_UI::setup_order_hint ()
3277 {
3278         uint32_t order_hint = 0;
3279
3280         /*
3281           we want the new routes to have their order keys set starting from
3282           the highest order key in the selection + 1 (if available).
3283         */
3284         if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
3285                 for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
3286                         if ((*s)->route()->order_key() > order_hint) {
3287                                 order_hint = (*s)->route()->order_key();
3288                         }
3289                 }
3290
3291                 if (!mixer->selection().routes.empty()) {
3292                         order_hint++;
3293                 }
3294
3295         } else {
3296                 for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
3297                         RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
3298                         if (tav && tav->route() && tav->route()->order_key() > order_hint) {
3299                                 order_hint = tav->route()->order_key();
3300                         }
3301                 }
3302
3303                 if (!editor->get_selection().tracks.empty()) {
3304                         order_hint++;
3305                 }
3306         }
3307
3308         _session->set_order_hint (order_hint);
3309
3310         /* create a gap in the existing route order keys to accomodate new routes.*/
3311
3312         boost::shared_ptr <RouteList> rd = _session->get_routes();
3313         for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
3314                 boost::shared_ptr<Route> rt (*ri);
3315
3316                 if (rt->is_monitor()) {
3317                         continue;
3318                 }
3319
3320                 if (rt->order_key () >= order_hint) {
3321                         rt->set_order_key (rt->order_key () + add_route_dialog->count());
3322                 }
3323         }
3324 }
3325
3326 void
3327 ARDOUR_UI::add_route (Gtk::Window* float_window)
3328 {
3329         int count;
3330
3331         if (!_session) {
3332                 return;
3333         }
3334
3335         if (add_route_dialog->is_visible()) {
3336                 /* we're already doing this */
3337                 return;
3338         }
3339
3340         if (float_window) {
3341                 add_route_dialog->unset_transient_for ();
3342                 add_route_dialog->set_transient_for (*float_window);
3343         }
3344
3345         ResponseType r = (ResponseType) add_route_dialog->run ();
3346
3347         add_route_dialog->hide();
3348
3349         switch (r) {
3350                 case RESPONSE_ACCEPT:
3351                         break;
3352                 default:
3353                         return;
3354                         break;
3355         }
3356
3357         if ((count = add_route_dialog->count()) <= 0) {
3358                 return;
3359         }
3360
3361         setup_order_hint();
3362
3363         PBD::ScopedConnection idle_connection;
3364
3365         string template_path = add_route_dialog->track_template();
3366
3367         if (!template_path.empty()) {
3368                 if (add_route_dialog->name_template_is_default())  {
3369                         _session->new_route_from_template (count, template_path, string());
3370                 } else {
3371                         _session->new_route_from_template (count, template_path, add_route_dialog->name_template());
3372                 }
3373                 return;
3374         }
3375
3376         ChanCount input_chan= add_route_dialog->channels ();
3377         ChanCount output_chan;
3378         string name_template = add_route_dialog->name_template ();
3379         PluginInfoPtr instrument = add_route_dialog->requested_instrument ();
3380         RouteGroup* route_group = add_route_dialog->route_group ();
3381         AutoConnectOption oac = Config->get_output_auto_connect();
3382
3383         if (oac & AutoConnectMaster) {
3384                 output_chan.set (DataType::AUDIO, (_session->master_out() ? _session->master_out()->n_inputs().n_audio() : input_chan.n_audio()));
3385                 output_chan.set (DataType::MIDI, 0);
3386         } else {
3387                 output_chan = input_chan;
3388         }
3389
3390         /* XXX do something with name template */
3391
3392         switch (add_route_dialog->type_wanted()) {
3393         case AddRouteDialog::AudioTrack:
3394                 session_add_audio_track (input_chan.n_audio(), output_chan.n_audio(), add_route_dialog->mode(), route_group, count, name_template);
3395                 break;
3396         case AddRouteDialog::MidiTrack:
3397                 session_add_midi_track (route_group, count, name_template, instrument);
3398                 break;
3399         case AddRouteDialog::MixedTrack:
3400                 session_add_mixed_track (input_chan, output_chan, route_group, count, name_template, instrument);
3401                 break;
3402         case AddRouteDialog::AudioBus:
3403                 session_add_audio_bus (input_chan.n_audio(), output_chan.n_audio(), route_group, count, name_template);
3404                 break;
3405         }
3406
3407         /* idle connection will end at scope end */
3408 }
3409
3410 void
3411 ARDOUR_UI::stop_video_server (bool ask_confirm)
3412 {
3413         if (!video_server_process && ask_confirm) {
3414                 warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
3415         }
3416         if (video_server_process) {
3417                 if(ask_confirm) {
3418                         ArdourDialog confirm (_("Stop Video-Server"), true);
3419                         Label m (_("Do you really want to stop the Video Server?"));
3420                         confirm.get_vbox()->pack_start (m, true, true);
3421                         confirm.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
3422                         confirm.add_button (_("Yes, Stop It"), Gtk::RESPONSE_ACCEPT);
3423                         confirm.show_all ();
3424                         if (confirm.run() == RESPONSE_CANCEL) {
3425                                 return;
3426                         }
3427                 }
3428                 delete video_server_process;
3429                 video_server_process =0;
3430         }
3431 }
3432
3433 void
3434 ARDOUR_UI::start_video_server_menu (Gtk::Window* float_window)
3435 {
3436   ARDOUR_UI::start_video_server( float_window, true);
3437 }
3438
3439 bool
3440 ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
3441 {
3442         if (!_session) {
3443                 return false;
3444         }
3445         if (popup_msg) {
3446                 if (ARDOUR_UI::instance()->video_timeline->check_server()) {
3447                         if (video_server_process) {
3448                                 popup_error(_("The Video Server is already started."));
3449                         } else {
3450                                 popup_error(_("An external Video Server is configured and can be reached. Not starting a new instance."));
3451                         }
3452                 }
3453         }
3454
3455         int firsttime = 0;
3456         while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3457                 if (firsttime++) {
3458                         warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3459                 }
3460                 VideoServerDialog *video_server_dialog = new VideoServerDialog (_session);
3461                 if (float_window) {
3462                         video_server_dialog->set_transient_for (*float_window);
3463                 }
3464
3465                 if (!Config->get_show_video_server_dialog() && firsttime < 2) {
3466                         video_server_dialog->hide();
3467                 } else {
3468                         ResponseType r = (ResponseType) video_server_dialog->run ();
3469                         video_server_dialog->hide();
3470                         if (r != RESPONSE_ACCEPT) { return false; }
3471                         if (video_server_dialog->show_again()) {
3472                                 Config->set_show_video_server_dialog(false);
3473                         }
3474                 }
3475
3476                 std::string icsd_exec = video_server_dialog->get_exec_path();
3477                 std::string icsd_docroot = video_server_dialog->get_docroot();
3478                 if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
3479
3480                 GStatBuf sb;
3481                 if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
3482                         warning << _("Specified docroot is not an existing directory.") << endmsg;
3483                         continue;
3484                 }
3485 #ifndef PLATFORM_WINDOWS
3486                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3487                      || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
3488                         warning << _("Given Video Server is not an executable file.") << endmsg;
3489                         continue;
3490                 }
3491 #else
3492                 if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
3493                      || (sb.st_mode & (S_IXUSR)) == 0 ) {
3494                         warning << _("Given Video Server is not an executable file.") << endmsg;
3495                         continue;
3496                 }
3497 #endif
3498
3499                 char **argp;
3500                 argp=(char**) calloc(9,sizeof(char*));
3501                 argp[0] = strdup(icsd_exec.c_str());
3502                 argp[1] = strdup("-P");
3503                 argp[2] = (char*) calloc(16,sizeof(char)); snprintf(argp[2], 16, "%s", video_server_dialog->get_listenaddr().c_str());
3504                 argp[3] = strdup("-p");
3505                 argp[4] = (char*) calloc(6,sizeof(char)); snprintf(argp[4], 6, "%i", video_server_dialog->get_listenport());
3506                 argp[5] = strdup("-C");
3507                 argp[6] = (char*) calloc(6,sizeof(char)); snprintf(argp[6], 6, "%i", video_server_dialog->get_cachesize());
3508                 argp[7] = strdup(icsd_docroot.c_str());
3509                 argp[8] = 0;
3510                 stop_video_server();
3511
3512                 if (icsd_docroot == X_("/")) {
3513                         Config->set_video_advanced_setup(false);
3514                 } else {
3515                         std::ostringstream osstream;
3516                         osstream << "http://localhost:" << video_server_dialog->get_listenport() << "/";
3517                         Config->set_video_server_url(osstream.str());
3518                         Config->set_video_server_docroot(icsd_docroot);
3519                         Config->set_video_advanced_setup(true);
3520                 }
3521
3522                 if (video_server_process) {
3523                         delete video_server_process;
3524                 }
3525
3526                 video_server_process = new SystemExec(icsd_exec, argp);
3527                 if (video_server_process->start()) {
3528                         warning << _("Cannot launch the video-server") << endmsg;
3529                         continue;
3530                 }
3531                 int timeout = 120; // 6 sec
3532                 while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
3533                         Glib::usleep (50000);
3534                         if (--timeout <= 0 || !video_server_process->is_running()) break;
3535                 }
3536                 if (timeout <= 0) {
3537                         warning << _("Video-server was started but does not respond to requests...") << endmsg;
3538                 } else {
3539                         if (!ARDOUR_UI::instance()->video_timeline->check_server_docroot()) {
3540                                 delete video_server_process;
3541                                 video_server_process = 0;
3542                         }
3543                 }
3544         }
3545         return true;
3546 }
3547
3548 void
3549 ARDOUR_UI::add_video (Gtk::Window* float_window)
3550 {
3551         if (!_session) {
3552                 return;
3553         }
3554
3555         if (!start_video_server(float_window, false)) {
3556                 warning << _("Could not connect to the Video Server. Start it or configure its access URL in Edit -> Preferences.") << endmsg;
3557                 return;
3558         }
3559
3560         if (float_window) {
3561                 add_video_dialog->set_transient_for (*float_window);
3562         }
3563
3564         if (add_video_dialog->is_visible()) {
3565                 /* we're already doing this */
3566                 return;
3567         }
3568
3569         ResponseType r = (ResponseType) add_video_dialog->run ();
3570         add_video_dialog->hide();
3571         if (r != RESPONSE_ACCEPT) { return; }
3572
3573         bool local_file, orig_local_file;
3574         std::string path = add_video_dialog->file_name(local_file);
3575
3576         std::string orig_path = path;
3577         orig_local_file = local_file;
3578
3579         bool auto_set_session_fps = add_video_dialog->auto_set_session_fps();
3580
3581         if (local_file && !Glib::file_test(path, Glib::FILE_TEST_EXISTS)) {
3582                 warning << string_compose(_("could not open %1"), path) << endmsg;
3583                 return;
3584         }
3585         if (!local_file && path.length() == 0) {
3586                 warning << _("no video-file selected") << endmsg;
3587                 return;
3588         }
3589
3590         switch (add_video_dialog->import_option()) {
3591                 case VTL_IMPORT_TRANSCODE:
3592                         {
3593                                 TranscodeVideoDialog *transcode_video_dialog;
3594                                 transcode_video_dialog = new TranscodeVideoDialog (_session, path);
3595                                 ResponseType r = (ResponseType) transcode_video_dialog->run ();
3596                                 transcode_video_dialog->hide();
3597                                 if (r != RESPONSE_ACCEPT) {
3598                                         delete transcode_video_dialog;
3599                                         return;
3600                                 }
3601                                 if (!transcode_video_dialog->get_audiofile().empty()) {
3602                                         editor->embed_audio_from_video(
3603                                                         transcode_video_dialog->get_audiofile(),
3604                                                         video_timeline->get_offset(),
3605                                                         (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
3606                                                         );
3607                                 }
3608                                 switch (transcode_video_dialog->import_option()) {
3609                                         case VTL_IMPORT_TRANSCODED:
3610                                                 path = transcode_video_dialog->get_filename();
3611                                                 local_file = true;
3612                                                 break;
3613                                         case VTL_IMPORT_REFERENCE:
3614                                                 break;
3615                                         default:
3616                                                 delete transcode_video_dialog;
3617                                                 return;
3618                                 }
3619                                 delete transcode_video_dialog;
3620                         }
3621                         break;
3622                 default:
3623                 case VTL_IMPORT_NONE:
3624                         break;
3625         }
3626
3627         /* strip _session->session_directory().video_path() from video file if possible */
3628         if (local_file && !path.compare(0, _session->session_directory().video_path().size(), _session->session_directory().video_path())) {
3629                  path=path.substr(_session->session_directory().video_path().size());
3630                  if (path.at(0) == G_DIR_SEPARATOR) {
3631                          path=path.substr(1);
3632                  }
3633         }
3634
3635         video_timeline->set_update_session_fps(auto_set_session_fps);
3636         if (video_timeline->video_file_info(path, local_file)) {
3637                 XMLNode* node = new XMLNode(X_("Videotimeline"));
3638                 node->add_property (X_("Filename"), path);
3639                 node->add_property (X_("AutoFPS"), auto_set_session_fps?X_("1"):X_("0"));
3640                 node->add_property (X_("LocalFile"), local_file?X_("1"):X_("0"));
3641                 if (orig_local_file) {
3642                         node->add_property (X_("OriginalVideoFile"), orig_path);
3643                 } else {
3644                         node->remove_property (X_("OriginalVideoFile"));
3645                 }
3646                 _session->add_extra_xml (*node);
3647                 _session->set_dirty ();
3648
3649                 _session->maybe_update_session_range(
3650                         std::max(video_timeline->get_offset(), (ARDOUR::frameoffset_t) 0),
3651                         std::max(video_timeline->get_offset() + video_timeline->get_duration(), (ARDOUR::frameoffset_t) 0));
3652
3653
3654                 if (add_video_dialog->launch_xjadeo() && local_file) {
3655                         editor->set_xjadeo_sensitive(true);
3656                         editor->toggle_xjadeo_proc(1);
3657                 } else {
3658                         editor->toggle_xjadeo_proc(0);
3659                 }
3660                 editor->toggle_ruler_video(true);
3661         }
3662 }
3663
3664 void
3665 ARDOUR_UI::remove_video ()
3666 {
3667         video_timeline->close_session();
3668         editor->toggle_ruler_video(false);
3669
3670         /* reset state */
3671         video_timeline->set_offset_locked(false);
3672         video_timeline->set_offset(0);
3673
3674         /* delete session state */
3675         XMLNode* node = new XMLNode(X_("Videotimeline"));
3676         _session->add_extra_xml(*node);
3677         node = new XMLNode(X_("Videomonitor"));
3678         _session->add_extra_xml(*node);
3679         stop_video_server();
3680 }
3681
3682 void
3683 ARDOUR_UI::flush_videotimeline_cache (bool localcacheonly)
3684 {
3685         if (localcacheonly) {
3686                 video_timeline->vmon_update();
3687         } else {
3688                 video_timeline->flush_cache();
3689         }
3690         editor->queue_visual_videotimeline_update();
3691 }
3692
3693 XMLNode*
3694 ARDOUR_UI::mixer_settings () const
3695 {
3696         XMLNode* node = 0;
3697
3698         if (_session) {
3699                 node = _session->instant_xml(X_("Mixer"));
3700         } else {
3701                 node = Config->instant_xml(X_("Mixer"));
3702         }
3703
3704         if (!node) {
3705                 node = new XMLNode (X_("Mixer"));
3706         }
3707
3708         return node;
3709 }
3710
3711 XMLNode*
3712 ARDOUR_UI::editor_settings () const
3713 {
3714         XMLNode* node = 0;
3715
3716         if (_session) {
3717                 node = _session->instant_xml(X_("Editor"));
3718         } else {
3719                 node = Config->instant_xml(X_("Editor"));
3720         }
3721
3722         if (!node) {
3723                 if (getenv("ARDOUR_INSTANT_XML_PATH")) {
3724                         node = Config->instant_xml(getenv("ARDOUR_INSTANT_XML_PATH"));
3725                 }
3726         }
3727
3728         if (!node) {
3729                 node = new XMLNode (X_("Editor"));
3730         }
3731
3732         return node;
3733 }
3734
3735 XMLNode*
3736 ARDOUR_UI::keyboard_settings () const
3737 {
3738         XMLNode* node = 0;
3739
3740         node = Config->extra_xml(X_("Keyboard"));
3741
3742         if (!node) {
3743                 node = new XMLNode (X_("Keyboard"));
3744         }
3745
3746         return node;
3747 }
3748
3749 void
3750 ARDOUR_UI::create_xrun_marker (framepos_t where)
3751 {
3752         editor->mouse_add_new_marker (where, false, true);
3753 }
3754
3755 void
3756 ARDOUR_UI::halt_on_xrun_message ()
3757 {
3758         MessageDialog msg (*editor,
3759                            _("Recording was stopped because your system could not keep up."));
3760         msg.run ();
3761 }
3762
3763 void
3764 ARDOUR_UI::xrun_handler (framepos_t where)
3765 {
3766         if (!_session) {
3767                 return;
3768         }
3769
3770         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::xrun_handler, where)
3771
3772         if (_session && Config->get_create_xrun_marker() && _session->actively_recording()) {
3773                 create_xrun_marker(where);
3774         }
3775
3776         if (_session && Config->get_stop_recording_on_xrun() && _session->actively_recording()) {
3777                 halt_on_xrun_message ();
3778         }
3779 }
3780
3781 void
3782 ARDOUR_UI::disk_overrun_handler ()
3783 {
3784         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_overrun_handler)
3785
3786         if (!have_disk_speed_dialog_displayed) {
3787                 have_disk_speed_dialog_displayed = true;
3788                 MessageDialog* msg = new MessageDialog (*editor, string_compose (_("\
3789 The disk system on your computer\n\
3790 was not able to keep up with %1.\n\
3791 \n\
3792 Specifically, it failed to write data to disk\n\
3793 quickly enough to keep up with recording.\n"), PROGRAM_NAME));
3794                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3795                 msg->show ();
3796         }
3797 }
3798
3799 void
3800 ARDOUR_UI::cancel_plugin_scan ()
3801 {
3802         PluginManager::instance().cancel_plugin_scan();
3803 }
3804
3805 static MessageDialog *scan_dlg = NULL;
3806
3807 void
3808 ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin, bool can_cancel)
3809 {
3810         if (!Config->get_show_plugin_scan_window()) { return; }
3811         static Gtk::Button *cancel_button;
3812         if (!scan_dlg) {
3813                 scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE);
3814                 VBox* vbox = scan_dlg->get_vbox();
3815                 vbox->set_size_request(400,-1);
3816                 scan_dlg->set_title (_("Scanning for plugins"));
3817
3818                 cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
3819                 cancel_button->set_name ("EditorGTKButton");
3820                 cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
3821
3822                 scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
3823         }
3824
3825         if (type == X_("closeme")) {
3826                 scan_dlg->hide();
3827         } else {
3828                 scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
3829                 scan_dlg->show_all();
3830         }
3831         cancel_button->set_sensitive(can_cancel);
3832
3833         /* due to idle calls, gtk_events_pending() may always return true */
3834         int timeout = 30;
3835         while (gtk_events_pending() && --timeout) {
3836                 gtk_main_iteration ();
3837         }
3838 }
3839
3840 void
3841 ARDOUR_UI::gui_idle_handler ()
3842 {
3843         int timeout = 30;
3844         while (gtk_events_pending() && --timeout) {
3845                 gtk_main_iteration ();
3846         }
3847 }
3848
3849 void
3850 ARDOUR_UI::disk_underrun_handler ()
3851 {
3852         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::disk_underrun_handler)
3853
3854         if (!have_disk_speed_dialog_displayed) {
3855                 have_disk_speed_dialog_displayed = true;
3856                 MessageDialog* msg = new MessageDialog (
3857                         *editor, string_compose (_("The disk system on your computer\n\
3858 was not able to keep up with %1.\n\
3859 \n\
3860 Specifically, it failed to read data from disk\n\
3861 quickly enough to keep up with playback.\n"), PROGRAM_NAME));
3862                 msg->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::disk_speed_dialog_gone), msg));
3863                 msg->show ();
3864         }
3865 }
3866
3867 void
3868 ARDOUR_UI::disk_speed_dialog_gone (int /*ignored_response*/, MessageDialog* msg)
3869 {
3870         have_disk_speed_dialog_displayed = false;
3871         delete msg;
3872 }
3873
3874 void
3875 ARDOUR_UI::session_dialog (std::string msg)
3876 {
3877         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::session_dialog, msg)
3878
3879         MessageDialog* d;
3880
3881         if (editor) {
3882                 d = new MessageDialog (*editor, msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3883         } else {
3884                 d = new MessageDialog (msg, false, MESSAGE_INFO, BUTTONS_OK, true);
3885         }
3886
3887         d->show_all ();
3888         d->run ();
3889         delete d;
3890 }
3891
3892 int
3893 ARDOUR_UI::pending_state_dialog ()
3894 {
3895         HBox* hbox = manage (new HBox());
3896         Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
3897         ArdourDialog dialog (_("Crash Recovery"), true);
3898         Label  message (string_compose (_("\
3899 This session appears to have been in the\n\
3900 middle of recording when %1 or\n\
3901 the computer was shutdown.\n\
3902 \n\
3903 %1 can recover any captured audio for\n\
3904 you, or it can ignore it. Please decide\n\
3905 what you would like to do.\n"), PROGRAM_NAME));
3906         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3907         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3908         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3909         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3910         dialog.add_button (_("Ignore crash data"), RESPONSE_REJECT);
3911         dialog.add_button (_("Recover from crash"), RESPONSE_ACCEPT);
3912         dialog.set_default_response (RESPONSE_ACCEPT);
3913         dialog.set_position (WIN_POS_CENTER);
3914         message.show();
3915         image->show();
3916         hbox->show();
3917
3918         switch (dialog.run ()) {
3919         case RESPONSE_ACCEPT:
3920                 return 1;
3921         default:
3922                 return 0;
3923         }
3924 }
3925
3926 int
3927 ARDOUR_UI::sr_mismatch_dialog (framecnt_t desired, framecnt_t actual)
3928 {
3929         HBox* hbox = new HBox();
3930         Image* image = new Image (Stock::DIALOG_WARNING, ICON_SIZE_DIALOG);
3931         ArdourDialog dialog (_("Sample Rate Mismatch"), true);
3932         Label  message (string_compose (_("\
3933 This session was created with a sample rate of %1 Hz, but\n\
3934 %2 is currently running at %3 Hz.  If you load this session,\n\
3935 audio may be played at the wrong sample rate.\n"), desired, PROGRAM_NAME, actual));
3936
3937         image->set_alignment(ALIGN_CENTER, ALIGN_TOP);
3938         hbox->pack_start (*image, PACK_EXPAND_WIDGET, 12);
3939         hbox->pack_end (message, PACK_EXPAND_PADDING, 12);
3940         dialog.get_vbox()->pack_start(*hbox, PACK_EXPAND_PADDING, 6);
3941         dialog.add_button (_("Do not load session"), RESPONSE_REJECT);
3942         dialog.add_button (_("Load session anyway"), RESPONSE_ACCEPT);
3943         dialog.set_default_response (RESPONSE_ACCEPT);
3944         dialog.set_position (WIN_POS_CENTER);
3945         message.show();
3946         image->show();
3947         hbox->show();
3948
3949         switch (dialog.run()) {
3950         case RESPONSE_ACCEPT:
3951                 return 0;
3952         default:
3953                 break;
3954         }
3955
3956         return 1;
3957 }
3958
3959 int
3960 ARDOUR_UI::disconnect_from_engine ()
3961 {
3962         /* drop connection to AudioEngine::Halted so that we don't act
3963          *  as if the engine unexpectedly shut down
3964          */
3965
3966         halt_connection.disconnect ();
3967
3968         if (AudioEngine::instance()->stop ()) {
3969                 MessageDialog msg (*editor, _("Could not disconnect from Audio/MIDI engine"));
3970                 msg.run ();
3971                 return -1;
3972         } else {
3973                 AudioEngine::instance()->Halted.connect_same_thread (halt_connection, boost::bind (&ARDOUR_UI::engine_halted, this, _1, false));
3974         }
3975
3976         update_sample_rate (0);
3977         return 0;
3978 }
3979
3980 int
3981 ARDOUR_UI::reconnect_to_engine ()
3982 {
3983         if (AudioEngine::instance()->start ()) {
3984                 if (editor) {
3985                         MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
3986                         msg.run ();
3987                 } else {
3988                         MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
3989                         msg.run ();
3990                 }
3991                 return -1;
3992         }
3993
3994         update_sample_rate (0);
3995         return 0;
3996 }
3997
3998 void
3999 ARDOUR_UI::use_config ()
4000 {
4001         XMLNode* node = Config->extra_xml (X_("TransportControllables"));
4002         if (node) {
4003                 set_transport_controllable_state (*node);
4004         }
4005 }
4006
4007 void
4008 ARDOUR_UI::update_transport_clocks (framepos_t pos)
4009 {
4010         if (Config->get_primary_clock_delta_edit_cursor()) {
4011                 primary_clock->set (pos, false, editor->get_preferred_edit_position());
4012         } else {
4013                 primary_clock->set (pos);
4014         }
4015
4016         if (Config->get_secondary_clock_delta_edit_cursor()) {
4017                 secondary_clock->set (pos, false, editor->get_preferred_edit_position());
4018         } else {
4019                 secondary_clock->set (pos);
4020         }
4021
4022         if (big_clock_window) {
4023                 big_clock->set (pos);
4024         }
4025         ARDOUR_UI::instance()->video_timeline->manual_seek_video_monitor(pos);
4026 }
4027
4028 void
4029 ARDOUR_UI::step_edit_status_change (bool yn)
4030 {
4031         // XXX should really store pre-step edit status of things
4032         // we make insensitive
4033
4034         if (yn) {
4035                 rec_button.set_active_state (Gtkmm2ext::ImplicitActive);
4036                 rec_button.set_sensitive (false);
4037         } else {
4038                 rec_button.unset_active_state ();;
4039                 rec_button.set_sensitive (true);
4040         }
4041 }
4042
4043 void
4044 ARDOUR_UI::record_state_changed ()
4045 {
4046         ENSURE_GUI_THREAD (*this, &ARDOUR_UI::record_state_changed);
4047
4048         if (!_session || !big_clock_window) {
4049                 /* why bother - the clock isn't visible */
4050                 return;
4051         }
4052
4053         if (_session->record_status () == Session::Recording && _session->have_rec_enabled_track ()) {
4054                 big_clock->set_active (true);
4055         } else {
4056                 big_clock->set_active (false);
4057         }
4058 }
4059
4060 bool
4061 ARDOUR_UI::first_idle ()
4062 {
4063         if (_session) {
4064                 _session->allow_auto_play (true);
4065         }
4066
4067         if (editor) {
4068                 editor->first_idle();
4069         }
4070
4071         Keyboard::set_can_save_keybindings (true);
4072         return false;
4073 }
4074
4075 void
4076 ARDOUR_UI::store_clock_modes ()
4077 {
4078         XMLNode* node = new XMLNode(X_("ClockModes"));
4079
4080         for (vector<AudioClock*>::iterator x = AudioClock::clocks.begin(); x != AudioClock::clocks.end(); ++x) {
4081                 XMLNode* child = new XMLNode (X_("Clock"));
4082
4083                 child->add_property (X_("name"), (*x)->name());
4084                 child->add_property (X_("mode"), enum_2_string ((*x)->mode()));
4085                 child->add_property (X_("on"), ((*x)->off() ? X_("no") : X_("yes")));
4086
4087                 node->add_child_nocopy (*child);
4088         }
4089
4090         _session->add_extra_xml (*node);
4091         _session->set_dirty ();
4092 }
4093
4094 ARDOUR_UI::TransportControllable::TransportControllable (std::string name, ARDOUR_UI& u, ToggleType tp)
4095         : Controllable (name), ui (u), type(tp)
4096 {
4097
4098 }
4099
4100 void
4101 ARDOUR_UI::TransportControllable::set_value (double val)
4102 {
4103         if (val < 0.5) {
4104                 /* do nothing: these are radio-style actions */
4105                 return;
4106         }
4107
4108         const char *action = 0;
4109
4110         switch (type) {
4111         case Roll:
4112                 action = X_("Roll");
4113                 break;
4114         case Stop:
4115                 action = X_("Stop");
4116                 break;
4117         case GotoStart:
4118                 action = X_("GotoStart");
4119                 break;
4120         case GotoEnd:
4121                 action = X_("GotoEnd");
4122                 break;
4123         case AutoLoop:
4124                 action = X_("Loop");
4125                 break;
4126         case PlaySelection:
4127                 action = X_("PlaySelection");
4128                 break;
4129         case RecordEnable:
4130                 action = X_("Record");
4131                 break;
4132         default:
4133                 break;
4134         }
4135
4136         if (action == 0) {
4137                 return;
4138         }
4139
4140         Glib::RefPtr<Action> act = ActionManager::get_action ("Transport", action);
4141
4142         if (act) {
4143                 act->activate ();
4144         }
4145 }
4146
4147 double
4148 ARDOUR_UI::TransportControllable::get_value (void) const
4149 {
4150         float val = 0.0;
4151
4152         switch (type) {
4153         case Roll:
4154                 break;
4155         case Stop:
4156                 break;
4157         case GotoStart:
4158                 break;
4159         case GotoEnd:
4160                 break;
4161         case AutoLoop:
4162                 break;
4163         case PlaySelection:
4164                 break;
4165         case RecordEnable:
4166                 break;
4167         default:
4168                 break;
4169         }
4170
4171         return val;
4172 }
4173
4174 void
4175 ARDOUR_UI::setup_profile ()
4176 {
4177         if (gdk_screen_width() < 1200 || getenv ("ARDOUR_NARROW_SCREEN")) {
4178                 Profile->set_small_screen ();
4179         }
4180
4181         if (getenv ("ARDOUR_SAE")) {
4182                 Profile->set_sae ();
4183                 Profile->set_single_package ();
4184         }
4185 }
4186
4187 int
4188 ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
4189 {
4190         MissingFileDialog dialog (s, str, type);
4191
4192         dialog.show ();
4193         dialog.present ();
4194
4195         int result = dialog.run ();
4196         dialog.hide ();
4197
4198         switch (result) {
4199         case RESPONSE_OK:
4200                 break;
4201         default:
4202                 return 1; // quit entire session load
4203         }
4204
4205         result = dialog.get_action ();
4206
4207         return result;
4208 }
4209
4210 int
4211 ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
4212 {
4213         AmbiguousFileDialog dialog (file, hits);
4214
4215         dialog.show ();
4216         dialog.present ();
4217
4218         dialog.run ();
4219         return dialog.get_which ();
4220 }
4221
4222 /** Allocate our thread-local buffers */
4223 void
4224 ARDOUR_UI::get_process_buffers ()
4225 {
4226         _process_thread->get_buffers ();
4227 }
4228
4229 /** Drop our thread-local buffers */
4230 void
4231 ARDOUR_UI::drop_process_buffers ()
4232 {
4233         _process_thread->drop_buffers ();
4234 }
4235
4236 void
4237 ARDOUR_UI::feedback_detected ()
4238 {
4239         _feedback_exists = true;
4240 }
4241
4242 void
4243 ARDOUR_UI::successful_graph_sort ()
4244 {
4245         _feedback_exists = false;
4246 }
4247
4248 void
4249 ARDOUR_UI::midi_panic ()
4250 {
4251         if (_session) {
4252                 _session->midi_panic();
4253         }
4254 }
4255
4256 void
4257 ARDOUR_UI::session_format_mismatch (std::string xml_path, std::string backup_path)
4258 {
4259         const char* start_big = "<span size=\"x-large\" weight=\"bold\">";
4260         const char* end_big = "</span>";
4261         const char* start_mono = "<tt>";
4262         const char* end_mono = "</tt>";
4263
4264         MessageDialog msg (string_compose (_("%4This is a session from an older version of %3%5\n\n"
4265                                              "%3 has copied the old session file\n\n%6%1%7\n\nto\n\n%6%2%7\n\n"
4266                                              "From now on, use the -2000 version with older versions of %3"),
4267                                            xml_path, backup_path, PROGRAM_NAME,
4268                                            start_big, end_big,
4269                                            start_mono, end_mono), true);
4270
4271         msg.run ();
4272 }
4273
4274
4275 void
4276 ARDOUR_UI::reset_peak_display ()
4277 {
4278         if (!_session || !_session->master_out() || !editor_meter) return;
4279         editor_meter->clear_meters();
4280         editor_meter_max_peak = -INFINITY;
4281         editor_meter_peak_display.set_name ("meterbridge peakindicator");
4282         editor_meter_peak_display.set_elements((ArdourButton::Element) (ArdourButton::Edge|ArdourButton::Body));
4283 }
4284
4285 void
4286 ARDOUR_UI::reset_group_peak_display (RouteGroup* group)
4287 {
4288         if (!_session || !_session->master_out()) return;
4289         if (group == _session->master_out()->route_group()) {
4290                 reset_peak_display ();
4291         }
4292 }
4293
4294 void
4295 ARDOUR_UI::reset_route_peak_display (Route* route)
4296 {
4297         if (!_session || !_session->master_out()) return;
4298         if (_session->master_out().get() == route) {
4299                 reset_peak_display ();
4300         }
4301 }
4302
4303 int
4304 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
4305 {
4306         audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
4307         audio_midi_setup->set_position (WIN_POS_CENTER);
4308
4309         switch (audio_midi_setup->run()) {
4310         case Gtk::RESPONSE_OK:
4311                 return 0;
4312         case Gtk::RESPONSE_APPLY:
4313                 return 0;
4314         default:
4315                 return -1;
4316         }
4317 }
4318
4319